Pasar Saham Jepang dan Korea Runtuh! Indeks Nikkei Anjlok Lebih dari 4%, KOSPI Jatuh 8%, Pasar Panik Sebelum Pekan Laporan Keuangan Raksasa AI

marsbitPublicado em 2026-07-28Última atualização em 2026-07-28

Resumo

Pasar saham Jepang dan Korea anjlok pada perdagangan Selasa pagi. Indeks Nikkei 225 turun lebih dari 4%, mencapai level terendah sejak 22 Mei. Indeks KOSPI Korea bahkan merosot 8%, memicu mekanisme *circuit breaker* yang menghentikan perdagangan sementara. Penurunan dipimpin oleh saham-saham semikonduktor dan peralatannya seperti Tokyo Electron, Kioxia, Samsung Electronics, dan SK Hynix, dengan beberapa di antaranya jatuh lebih dari 9%. SK Hynix sendiri sempat terperosok 30%, penurunan terburuk dalam sejarahnya. Sentimen investor memburuk karena kekhawatiran akan kelanjutan boom AI. Pemicunya meliputi laporan tentang risiko kredit dan biaya asuransi default yang melonjak terkait perjanjian pasokan AI besar-besaran senilai lebih dari $750 miliar yang melibatkan Nvidia. Kekhawatiran lain adalah tingginya tingkat utang perusahaan dan pengeluaran modal (*capex*) yang besar di sektor AI, yang ditakutkan akan menggerus profitabilitas. Analis menilai penjualan baru-baru ini lebih didorong oleh sentimen yang memburuk secara tajam daripada perubahan fundamental. Investor semakin mempertanyakan apakah kecepatan pengeluaran untuk infrastruktur AI dapat dipertahankan. Laporan keuangan dari perusahaan teknologi besar seperti Meta dan Samsung Electronics, serta hasil kuartalan SK Hynix yang diperkirakan mencetak rekor, dinantikan sebagai penentu arah pasar selanjutnya. Namun, kekhawatiran bahwa ekspektasi yang terlalu tinggi telah *terprice-in* membuat pasar sangat sensitif. Hasil yang...

Pada sesi pagi hari Selasa, dipicu oleh kekhawatiran terkait perjanjian pasokan AI besar-besaran dari Nvidia (NVDA.O) dan meningkatnya persaingan pasar, sentimen investor melemah, menyebabkan pasar saham Jepang dan Korea dibuka rendah dan terus turun.

Hingga berita ini diturunkan, Indeks Nikkei 225 merosot lebih dari 4% dalam satu hari, menyentuh level terendah sejak 22 Mei; Indeks Topix mengalami penurunan maksimum 2,7%. Indeks KOSPI Korea memperluas kerugiannya menjadi 8%, memicu mekanisme sirkuit breaker dan menghentikan perdagangan selama 20 menit. Bursa Efek Korea juga sebelumnya sempat mengaktifkan mekanisme sidecar KOSPI, menghentikan penjualan terprogram KOSPI.

Saham-saham semikonduktor dan peralatan seperti Tokyo Electron, Kioxia, Samsung Electronics, dan SK Hynix memimpin penurunan, masing-masing turun lebih dari 9%. Di antaranya, harga saham SK Hynix sempat anjlok 30%, mencatat penurunan satu hari terbesar dalam sejarah; harga saham Kioxia sempat turun 18%, mencatat penurunan terbesar sejak November tahun lalu. Seiring dengan meningkatnya penjualan saham semikonduktor global, sentimen investor terhadap keberlanjutan booming AI terus memburuk.

Dalam gelombang transaksi terkait AI senilai lebih dari $7,5 triliun, biaya asuransi default utang Nvidia melonjak, memicu penurunan saham teknologi. Hideyuki Ishiguro, Kepala Strategis di Nomura Asset Management, mengatakan bahwa setelah laporan tentang transaksi investasi besar Nvidia, risiko kreditnya meningkat, yang dianggap investor sebagai sinyal negatif.

Selain itu, Ishiguro mencatat bahwa kemajuan China di bidang peralatan manufaktur semikonduktor menjadi ancaman bagi pemasok Jepang—yang selama ini mendominasi keunggulan kompetitif di bidang ini.

Penurunan ini mengindikasikan kekhawatiran pasar terhadap kepemilikan saham yang padat dan tingkat utang perusahaan yang terus meningkat dalam proses pembangunan AI semakin mendalam.

"Penjualan saham semikonduktor baru-baru ini tampaknya lebih didorong oleh memburuknya sentimen pasar secara tajam, daripada perubahan fundamental langsung apa pun," kata Jung In Yun, CEO Global Fibonacci Asset Management. "Investor semakin mempertanyakan apakah kecepatan pengeluaran infrastruktur AI dapat dipertahankan."

Chris Larkin dari Morgan Stanley E*Trade mengatakan: "Minggu ini penuh dengan potensi kejutan, baik yang baik maupun yang buruk. Geopolitik dan harga minyak mungkin merupakan variabel terbesar, tetapi reaksi optimis terhadap laporan keuangan Magnificent Seven yang kuat bukanlah jaminan, terutama jika tingkat pengeluaran AI terus mengejutkan."

Kyle Rodda, Analis Senior di Capital.com, menulis dalam laporan kepada klien: "Perusahaan-perusahaan ini mewujudkan tema kunci yang saat ini mempengaruhi sentimen pasar—pengeluaran modal yang berlebihan dan pengeluaran perusahaan AI, yang dikhawatirkan investor akan menggerogoti imbal hasil."

Minggu ini, beberapa perusahaan teknologi terkemuka, termasuk Meta Platforms Inc. (META), akan merilis kinerja kunci. Rencana Meta awal bulan ini untuk menjual kelebihan daya komputasi AI telah memicu kekhawatiran pasar tentang permintaan. Apple Inc. (AAPL) telah mengeluarkan peringatan tentang tekanan biaya, dan ada laporan bahwa perusahaan itu sedang melobi untuk mendapatkan persetujuan membeli komponen memori dari pesaing.

Investor juga menunggu kinerja lengkap kuartal Juni Samsung Electronics. Kim Minji, Manajer Portofolio di Must Asset Management Seoul, mengatakan bahwa produsen chip memori konvensional terbesar di dunia ini sedang mengejar ketertinggalan di bidang HBM dari SK Hynix.

Selain itu, meskipun SK Hynix diperkirakan akan mengumumkan rekor kinerja kuartal lainnya pada hari Rabu, sentimen investor telah melemah secara nyata. Kekhawatiran inti pasar adalah bahwa kenaikan harga memori yang terus-menerus dapat memaksa pelanggan mengurangi volume pembelian dan mencari produk alternatif yang lebih murah.

Sejak mencapai puncak sejarah pada bulan Juni, harga saham SK Hynix telah turun 38%, dengan kekhawatiran pasar atas perdagangan yang terlalu padat dan dana leverage yang memperbesar volatilitas harga. Dalam putaran penyesuaian ini, penyusutan kapitalisasi pasar perusahaan ini berada di peringkat kedua global setelah SpaceX (SPCX).

Hanya dalam waktu lebih dari sebulan, sekitar $470 miliar kapitalisasi pasar lenyap dari SK Hynix. Perusahaan chip memori Korea yang pernah dianggap sebagai salah satu perdagangan AI terpanas di dunia ini, kini menjadi salah satu aset yang paling kontroversial dalam portofolio investor.

Shawn Oh, Kepala Bisnis Saham Tunai Korea di NH Investment & Securities, mengatakan dalam laporannya bahwa mengingat daya tarik valuasi saat ini dan deleveraging berkelanjutan oleh investor ritel Korea, SK Hynix tetap menjadi "target beli yang sangat menarik". Namun, dia juga mencatat bahwa pasar sedang mengurangi posisi saham sebelum musim laporan keuangan perusahaan teknologi AS tiba.

Pasar memperkirakan bahwa penjualan SK Hynix pada kuartal Juni akan meningkat lebih dari dua kali lipat secara tahunan (yoy), mencapai sekitar $570 miliar; laba operasional diperkirakan meningkat enam kali lipat yoy. Namun James Ooi, Strategis Pasar di Tiger Brokers, mengatakan bahwa makna laporan keuangan SK Hynix mungkin telah melampaui perusahaan itu sendiri.

"Kinerja SK Hynix juga dapat menjadi tolok ukur sentimen sektor perangkat keras AI global," katanya, ekspektasi pasar telah banyak tercermin sebelumnya, sehingga "bahkan sedikit ketidaksesuaian dengan ekspektasi dapat memicu reaksi yang keras".

Hebe Chen, Analis Pasar Senior di Vantage Global Prime, mengatakan: "Penjualan baru-baru ini oleh produsen chip menunjukkan bahwa keraguan tentang pengeluaran, imbal hasil, dan valuasi masih mendalam, bukan menghilang. Dengan beberapa katalis utama mendekat, keraguan untuk membeli pada saat turun menunjukkan bahwa investor menunggu bukti yang lebih kuat sebelum membangun kembali risiko."

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Perguntas relacionadas

QApa penyebab utama anjloknya pasar saham Jepang dan Korea Selatan menurut artikel?

APenyebab utama anjloknya pasar saham Jepang dan Korea Selatan adalah kekhawatiran investor terkait kesepakatan pasokan AI besar-besaran Nvidia, peningkatan biaya asuransi risiko kredit Nvidia, serta kekhawatiran akan kelangsungan ledakan AI dan kecepatan pengeluaran modal untuk infrastruktur AI. Selain itu, kemajuan China di bidang peralatan manufaktur semikonduktor juga menimbulkan kekhawatiran persaingan.

QIndeks saham mana yang mengalami kerugian terbesar dan mekanisme apa yang diterapkan?

AIndeks KOSPI Korea Selatan mengalami kerugian terbesar, dengan penurunan melebar hingga 8% yang memicu mekanisme circuit breaker, menghentikan perdagangan selama 20 menit. Bursa Korea juga sempat mengaktifkan sidecar mechanism untuk KOSPI, menghentikan penjualan terprogram.

QSaham perusahaan mana yang disebut-sebut sebagai pemimpin penurunan?

ASaham perusahaan semikonduktor dan peralatan seperti Tokyo Electron, Kioxia, Samsung Electronics, dan SK Hynix disebut-sebut sebagai pemimpin penurunan, dengan penurunan masing-masing lebih dari 9%. SK Hynix bahkan sempat anjlok 30%, mencatat penurunan terbesar dalam sejarahnya.

QApa kekhawatiran utama investor terhadap SK Hynix meskipun perusahaan tersebut diperkirakan akan melaporkan hasil kinerja yang kuat?

AKekhawatiran utama investor terhadap SK Hynix adalah bahwa kenaikan harga memori yang terus-menerus dapat memaksa pelanggan mengurangi pembelian dan mencari produk pengganti yang lebih murah. Selain itu, ada kekhawatiran akan kepadatan perdagangan (overcrowded trade) dan penggunaan dana leverage yang memperbesar volatilitas harga.

QMengapa laporan kinerja SK Hynix dianggap penting melampaui perusahaan itu sendiri?

ALaporan kinerja SK Hynix dianggap dapat menjadi barometer sentimen untuk sektor perangkat keras AI global. Karena ekspektasi pasar sudah banyak tercermin sebelumnya, bahkan sedikit ketidaksesuaian dengan perkiraan dapat memicu reaksi pasar yang kuat, sehingga menjadi sinyal penting bagi investor.

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