Asian stock markets fell broadly on Thursday as surging oil prices and elevated U.S. Treasury yields pressured investor risk appetite. South Korea’s Samsung Electronics (KRX: 005930) slipped despite forecasting a record quarterly operating profit, while regional indices from Tokyo to Singapore posted sharp declines following a softer Wall Street session.
Asian Indices Retreat as Oil Prices Climb
- Regional indices retreated across Asia, with Singapore’s index leading losses with a 3.6% drop to its lowest level since mid-July, according to Investing.com.
- Global oil benchmarks climbed significantly, with Brent crude rising nearly 4% above $104 a barrel amid escalating Middle East supply concerns.
- U.S. 10-year Treasury yields remained near multi-decade highs, hovering around 5.32% to 5.36%, following Federal Reserve meeting minutes indicating likely further interest rate hikes.
Samsung Forecasts Record Profit While Shares Slide
South Korea’s KOSPI index slid nearly 2%, while Samsung Electronics saw its share price fall by 1.5% during Thursday’s trading session. The downward movement occurred despite the world’s largest memory-chip maker forecasting a third-quarter operating profit of 107.4 trillion won ($80.2 billion), representing a 782.5% increase compared to the same period a year earlier. Investing.com reported that the figure missed consensus forecasts from Bloomberg of 108.67 trillion won.
The forecasted profit marks the first time a technology company has projected a quarterly operating profit exceeding 100 trillion won, driven heavily by surging demand for memory chips utilized in artificial intelligence applications. However, investors demonstrated caution regarding whether the current semiconductor boom remains sustainable, particularly given that Samsung’s shares had already rallied sharply earlier in the year.
Crude Oil Prices Rise Amid Geopolitical Tensions
Equities faced compounding pressure from international commodity and debt markets. Brent crude jumped nearly 4% to $104.18 per barrel, while benchmark U.S. crude rose 3.9% to $91.70 a barrel. The upward momentum in energy prices stems from persistent uncertainties over global crude supplies and geopolitical tensions involving the U.S. and Iran.

Concurrently, fixed-income markets added headwinds for growth equities. The yield on the benchmark U.S. 10-year Treasury stayed near multi-decade peaks after briefly touching 5.36% on Wednesday—its highest level since 2002—before a strong Treasury auction pulled rates back slightly. Rising bond yields hurt stock prices, in part because companies and consumers face higher borrowing costs.
| Market Index / Asset | Reported Change | Key Driver |
|---|---|---|
| Singapore index | -3.6% | Broad regional risk-off sentiment |
| South Korea KOSPI | -2.6% / -2% | Samsung profit miss and tech pullback |
| Brent Crude Oil | Nearly 4% | Middle East supply disruption fears |
| U.S. 10-Year Treasury Yield | Near 5.32% – 5.36% | Fed rate hike expectations |
Asia-Pacific Markets Mirror Wall Street Declines
Markets across the Asia-Pacific region mirrored the negative lead from Wall Street, where four-day winning streaks for major U.S. benchmarks concluded earlier in the week. Japan’s Nikkei 225 fell between 1.0% and 1.4% depending on the reporting feed, while Hong Kong’s Hang Seng index declined 1.1% to 1.3%. Mainland Chinese markets resumed trading following the week-long National Day Golden Week holiday under this heavy global backdrop, with the Shanghai Composite slipping roughly 0.8% to 1.0%.
Investors also digested the release of minutes from the U.S. Federal Reserve’s latest policy meeting. The documentation indicated that most central bank policymakers viewed another interest-rate increase as likely before the end of the year, though officials reiterated their commitment to remaining data-dependent. Market pricing reflected roughly an 80% probability of a December rate increase, adding further justification for elevated bond yields and compressed stock multiples.
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