# Stock Market Related Articles

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The Philadelphia Semiconductor Index Tumbles Nearly 5% in a Single Night, Optical and Memory Sectors 'Collapse' Together: Surging U.S. Bond Yields Shake AI Belief

On the evening of August 18th, the US stock market saw a sharp sell-off concentrated in the AI hardware sector, with the Philadelphia Semiconductor Index plummeting nearly 5%. Leading AI infrastructure and components companies in fields like optical communication and memory chips experienced some of the steepest declines, such as Fabrinet (-19.38%) and Kioxia ADR (-13%). The sell-off was not broad-based but rather targeted the long-duration, high-momentum stocks previously driven by AI narrative optimism. This market shift is primarily attributed to a significant surge in long-term US Treasury yields, with the 30-year yield hitting its highest level since 2007. Rising yields increase discount rates, disproportionately impacting the valuations of growth stocks whose profits are projected far into the future—a category that includes most AI hardware plays. Additional pressure came from climbing oil prices due to Middle East tensions, which fueled inflation concerns. The article identifies three structural reasons for the severity of the drop in these specific subsectors: excessive prior gains and crowded positioning, high sensitivity to the sustainability of AI capital expenditure narratives, and inherent high volatility within the supply chain. Importantly, the sell-off appears to be a valuation and positioning reset rather than a fundamental repudiation of AI, evidenced by the relatively modest decline in a bellwether like Nvidia (-2.34%). Looking ahead, the direction hinges on three key indicators: whether the 30-year Treasury yield stabilizes, the trajectory of oil prices and geopolitical risks, and the market's pricing of new AI-related corporate debt. For related Asian and A-share markets, short-term negative sentiment spillover is expected, but medium-term drivers like domestic cloud capex may provide divergence. The episode signifies a market transition from pricing AI's "story" to rigorously evaluating its returns against a backdrop of higher financing costs.

marsbit7h ago

The Philadelphia Semiconductor Index Tumbles Nearly 5% in a Single Night, Optical and Memory Sectors 'Collapse' Together: Surging U.S. Bond Yields Shake AI Belief

marsbit7h ago

Bitcoin tags $65K as S&P 500 rebounds from 2-week lows on US-Iran rhetoric

Bitcoin (BTC) reached $65,000 as US stocks, specifically the S&P 500, recovered from two-week lows. This occurred despite geopolitical tensions stemming from US-Iran rhetoric over the Strait of Hormuz. Key market movements included a surge in 30-year US Treasury bond yields to 5.34%, a 29-year high, indicating investor concerns over inflation and government borrowing. Oil prices remained relatively stable. For Bitcoin, analysts highlighted a critical juncture around a potential reverse head-and-shoulders bottoming pattern near $62,300, with failure risking a drop to $53,000 and success potentially targeting $76,000. The 50-month exponential moving average at approximately $65,827 was noted as a key resistance level.

cointelegraph18h ago

Bitcoin tags $65K as S&P 500 rebounds from 2-week lows on US-Iran rhetoric

cointelegraph18h ago

Bitcoin Hits Six-Year Low Against Stocks. What This Means

Bitcoin has updated a six-year negative record relative to stocks, according to analytics platform Glassnode. Over the last three months, Bitcoin ($BTC) has outperformed the S&P 500 index on only about one-third of trading days, marking its lowest success rate (37.8%) in six years. This contrasts with 2023-early 2024 when it outperformed 50-60% of the time. For the year through August 18, Bitcoin has fallen nearly 27%, while the S&P 500 and NASDAQ have risen 14% and 19%, respectively, and gold gained almost 2%. This underperformance level is comparable to early 2022, just before the start of a prolonged crypto bear market. While the 2026 downturn hasn't seen an event like the FTX collapse, experts note it is one of the toughest periods, with multiple exchanges closing and miners shifting to AI services. Longer-term, from 2021 onwards, Bitcoin's gain of about 120% is closer to traditional assets like gold and the NASDAQ (both up over 130%) and the S&P 500 (up ~105%). Analysts note Bitcoin's historical excess returns are diminishing, though it still shows strong growth rates overall. The current cycle since 2024 is seen as positive for institutional adoption due to Bitcoin ETF approvals and new US regulatory approaches.

cryptonews.ru19h ago

Bitcoin Hits Six-Year Low Against Stocks. What This Means

cryptonews.ru19h ago

Zhang Lei: How He Became the Biggest Money-Maker This Year

Zhang Lei's company Pinzhun Laser (频准激光) became the biggest "meat sign" (highly profitable new share) of the year on its A-share market debut. Its stock price skyrocketed nearly 600% from its IPO price, generating potential single-lot profits of over 550,000 RMB for lucky subscribers. Founded by Zhang Lei, a 2014 Ph.D. graduate from the Shanghai Institute of Optics and Fine Mechanics, Pinzhun Laser specializes in ultra-stable, narrow-linewidth lasers critical for quantum computing. Its lasers are used by leading global research teams at Harvard, Caltech, and France's PASQAL. The company later successfully applied its core frequency conversion technology to the semiconductor sector, developing deep-ultraviolet lasers for advanced chip manufacturing and inspection. This move diversified its revenue, with semiconductor sales growing rapidly to account for over 25% of its business by 2025. The company boasts gross margins consistently above 69%. Remarkably, Pinzhun Laser required only two major external funding rounds before its IPO, a testament to its early profitability. Key strategic investors in its IPO included major downstream players like BOE,佰维存储 (BIWIN), and中微半导体 (AMEC), signaling strong industry validation. The article highlights the crucial early-stage support from Hangzhou-based capital, particularly funds associated with the Hangzhou Institute of Optics and Fine Mechanics. This "patient capital" model, part of Hangzhou's broader 300-billion-yuan industrial fund strategy, focuses on partnering with scientist-entrepreneurs through the risky valley of death from lab to market. The success of Pinzhun Laser and another Hangzhou-backed firm,宇树科技 (Unitree Robotics), showcases how this supportive ecosystem helps build leading hard-tech companies.

marsbit23h ago

Zhang Lei: How He Became the Biggest Money-Maker This Year

marsbit23h ago

Crypto & Stock Market Barometer | Strategy Spends Another $132 Million to Repurchase STRC; Bitmine Adds 9,926 ETH Last Week, BTC Holdings Increase to 210 Coins (August 18)

**Weekly Crypto-Equity Market Digest (August 18, 2026)** Global equity markets showed mixed trends, with US stocks gaining on US-Iran tension relief, while Korean stocks declined after a rally. A-shares surged on hype around robotics firm Unitree's upcoming IPO. Key corporate treasury activity was highlighted. In BTC treasuries, companies collectively had a net weekly BTC purchase of just $5.32M, down 90.34% from the prior week. **MicroStrategy did not buy BTC but spent $132M to repurchase its shares.** Other notable moves included Metaplanet issuing bonds, Trump Media adjusting its strategy with $891M in BTC, and Norway’s sovereign wealth fund boosting its indirect BTC exposure to a record 11,549 coins. In ETH treasuries, **Bitmine significantly increased its holdings, adding 9,926 ETH and bringing its BTC total to 210 coins.** SharpLink expanded its strategy by staking $200M worth of ETH via Lido, despite reporting a large quarterly loss. For SOL-focused companies, Forward Industries reported a Q3 net loss of $69M linked to SOL holdings, though it increased its total SOL stake to ~7.8M coins. Other notable actions included Duquesne Family Office's new $23M stake in Hyperliquid (PURR), Greenlane Holdings reporting a 76.6% unrealized loss on its BERA token holdings, and StablecoinX holding ~30B ENA tokens, roughly 20% of the total supply.

marsbitYesterday 09:41

Crypto & Stock Market Barometer | Strategy Spends Another $132 Million to Repurchase STRC; Bitmine Adds 9,926 ETH Last Week, BTC Holdings Increase to 210 Coins (August 18)

marsbitYesterday 09:41

How Will the US Midterm Elections Stir the Market? Citi Presents a Roadmap for 50 and 30 Days Before the Election

With the U.S. midterm elections less than three months away, investors are reassessing the potential market impacts of various political outcomes. Citigroup's strategy team has outlined a trading framework, suggesting that bond markets could rally if the Republican party loses its current unified control of Congress and the White House. The elections on November 3 will determine the composition of the House and Senate. Currently, Republicans hold the presidency and both chambers. Prediction market Polymarket indicates a 48% perceived chance of Democrats winning both houses, though officials warn such data is often misunderstood and is not an official forecast. Citigroup strategists, led by Alex Saunders, argue that a divided government—where different parties control separate power centers—would likely benefit bonds by weakening fiscal expectations and pushing Treasury prices higher, as lower prospects for major new spending typically lead to falling yields. They note that 10-year Treasury yields often decline in such scenarios. Beyond bonds, the election is expected to influence stocks and credit. Historically, markets begin to feel pressure approximately 50 trading days before the vote due to policy uncertainty. However, a relief rally in equities often emerges around 30 days prior to Election Day, potentially extending through year-end. The rise of prediction markets like Polymarket and Kalshi is changing how participants view elections, though their growth sparks concerns about public misinterpretation and potential market volatility if odds diverge from certified results. Sector-wise, Citigroup believes a divided government could benefit cyclical tech and certain industrial stocks, while defensive sectors like healthcare and consumer staples might lag. For investors, the key is assessing whether the election outcome alters the fiscal policy trajectory, Treasury supply expectations, and the market's pricing of future interest rates, with power dispersion seen as supportive for bonds and potentially boosting risk appetite in select equities.

marsbitYesterday 06:15

How Will the US Midterm Elections Stir the Market? Citi Presents a Roadmap for 50 and 30 Days Before the Election

marsbitYesterday 06:15

Why Isn't Bitcoin Rising? Glassnode Explains and Warns: 'These Levels Are Very Important!'

Glassnode, a leading blockchain analytics platform, explains Bitcoin's lack of significant growth despite high equity markets. With US consumer confidence at record lows, capital is rotating into stocks, particularly AI-related equities, rather than Bitcoin. This contradicts the theory that Bitcoin benefits as a scarce asset during traditional market uncertainty. Currently, capital is chasing already-rising assets. Bitcoin is trading around half its October 2025 peak and has lagged behind equities all summer. It is stuck between key on-chain levels: the average realized price of ~$63,000 and the short-term holder cost basis of ~$68,700. A decisive break above $68,700 with high volume and ETF inflows could signal a recovery. Conversely, losing the June low of $58,500 could lead to a test of lower levels. While there are signs of seller exhaustion, Glassnode sees insufficient evidence of substantial new buyer momentum returning to the Bitcoin market.

cryptonews.ruYesterday 12:15

Why Isn't Bitcoin Rising? Glassnode Explains and Warns: 'These Levels Are Very Important!'

cryptonews.ruYesterday 12:15

Glassnode: Consumer Confidence Falls as AI-Related Stocks Rise, Bitcoin Lags Behind

According to Glassnode, consumer confidence remains at one of its lowest levels in a decade, despite two consecutive months of improvement. This has not stopped households from moving money out of cash, as they expect further cost-of-living increases and a broader economic slowdown. The key question is where this capital is flowing. US stocks hit a new all-time high in early August, primarily driven by trading in AI-related stocks rather than a broad market rally. Bitcoin, historically seen as a hedge against declining trust in traditional finance, has not participated in this movement. Spot Bitcoin ETFs saw outflows of $389.7 million in one week, coinciding with rising equity markets—a divergence that aligns with Glassnode's data on capital flows. Bitcoin is currently trading at roughly half its October 2025 peak, stuck in a narrow range. Meanwhile, AI-related trading continues to attract fresh capital from retail traders, hedge funds, and even crypto-native institutional investors, who are redirecting funds into AI stocks and tokens. The macroeconomic backdrop has not been hostile to Bitcoin, with core inflation at a moderate 2.5% in July. However, Bitcoin's muted response to favorable inflation data is seen as a concerning signal, given its supposed role as a hedge against currency debasement. Spot Bitcoin exchange trading volume has fallen to its lowest since 2019, and recent ETF inflows are only a "fraction of any prior accumulation wave," suggesting institutional buying may have paused. This trend extends beyond trading: some Bitcoin miners are repurposing their power contracts and data center capacity for AI workloads. This appears to be a structural shift that could pressure Bitcoin's status as the default destination for capital leaving cash. The fundamental arguments for Bitcoin as a hedge against inflation or scarcity are not invalidated, but their expected impact has not materialized within the timeline anticipated by crypto optimists this summer.

cryptonews.ruYesterday 09:55

Glassnode: Consumer Confidence Falls as AI-Related Stocks Rise, Bitcoin Lags Behind

cryptonews.ruYesterday 09:55

AI Computing Power Boom: A Global Capital 'High-Interest Poison'?

The AI computing boom is fueling a surge in global borrowing, pushing inflation-adjusted "real" yields on government bonds to multi-year highs. Major US tech firms like Alphabet, Amazon, and Meta have already issued over $220 billion in bonds this year, more than double 2025's total, to fund massive AI infrastructure investment. Concurrently, persistent high fiscal deficits in the US and Europe are flooding the market with sovereign debt. This deluge of bond supply, coupled with expectations of robust economic growth and reduced central bank bond buying, is driving up real yields—the true cost of capital after inflation. While strong corporate earnings have so far shielded stock markets from the negative impact, analysts warn that rising real yields threaten to erode the attractiveness of equities and could eventually curb investment and consumption, posing risks to economic growth. Experts caution that the structural forces behind higher yields, particularly heavy government and corporate borrowing, show no signs of abating.

marsbit2 days ago 04:45

AI Computing Power Boom: A Global Capital 'High-Interest Poison'?

marsbit2 days ago 04:45

Berkshire Hathaway's Q2 13F Portfolio Reshuffle: Increased Stakes in Google and Delta Air Lines, Consecutive Quarter of Cutting Bank of America

Berkshire Hathaway's second-quarter 13F filing, released August 14th, reveals significant portfolio shifts under new leadership. The total portfolio value rose to approximately $299.3 billion. Key highlights include a major increase in Alphabet (Google) holdings. Berkshire's stake in Google-A surged 45.24% to $28.16 billion, while its Google-C holdings jumped 658% to $9.61 billion, making Alphabet the firm's third-largest combined holding after Apple and American Express. Conversely, Bank of America was the largest reduction, with shares cut by 5.89% for the second consecutive quarter, though it remains the fifth-largest holding. Berkshire also increased positions in Delta Air Lines (up 44%) and homebuilder Lennar, while initiating a small new position in D.R. Horton. The consumer sector saw Constellation Brands completely sold off. Overall, the portfolio reflects a continued move toward technology and specific cyclical sectors like housing and airlines, while trimming some financial and consumer stakes. Apple remains the top holding at 22% of the portfolio.

marsbit2 days ago 11:16

Berkshire Hathaway's Q2 13F Portfolio Reshuffle: Increased Stakes in Google and Delta Air Lines, Consecutive Quarter of Cutting Bank of America