KOSPI Plunges Into Bear Territory as Samsung and SK Hynix Lead Tech Selloff

Key Takeaways

• South Korea’s benchmark index plummeted 5.35% Wednesday, crossing the 20% threshold from June highs that defines a bear market
• Samsung Electronics declined 6.3% even after posting record-breaking quarterly profits
• SK Hynix shares tumbled 5.7% following the previous day’s 6% decline
• South Korea’s Finance Minister issued warnings about volatility risks from leveraged semiconductor ETFs
• The Korean won surged beyond the 1,500 per dollar level, aided by SK Hynix’s planned American equity offering

South Korea’s benchmark equity index officially crossed into bear market territory Wednesday following a dramatic selloff led by semiconductor manufacturers amid rising skepticism about artificial intelligence-driven expansion.

The KOSPI tumbled 5.35% to close at 7,246.79 points. The index now sits more than 20% beneath its all-time closing peak of 9,114.55 reached on June 22, satisfying the traditional threshold for bear market classification.

Market action was turbulent from opening bell to close. The benchmark briefly climbed 1.8% during morning trading before collapsing as much as 6.1%, activating a “sidecar” mechanism that temporarily halted algorithmic trading activity.

Record-Breaking Samsung Profits Fail to Lift Investor Sentiment

Samsung Electronics dropped 6.3% Wednesday despite unveiling unprecedented second-quarter earnings. The challenge came from revenue figures, which disappointed analysts expecting even stronger performance.

The shortfall sparked concerns about whether Samsung and comparable companies can sustain the growth trajectory that investors had already factored into valuations. After more than doubling over the previous twelve months, numerous shareholders opted to lock in gains.

SK Hynix similarly declined 5.7%, compounding the previous session’s 6% retreat. Market jitters intensified after reports surfaced suggesting Apple might pivot toward Chinese semiconductor partners due to Korean supply constraints, potentially undermining memory chip pricing dynamics.

Leveraged ETF Products Amplify Volatility Concerns

Finance Minister Koo Yun-cheol announced the government would intensify surveillance of risk factors associated with single-stock leveraged ETFs focused on semiconductor companies. Multiple such investment vehicles have debuted since May, and their substantial leverage ratios have exacerbated the market downturn.

This marked the sixth circuit breaker activation for the KOSPI this year, and only the 12th occurrence in the index’s entire history.

Hyundai Motor, which had surged 120% during the prior twelve months on enthusiasm surrounding its Nvidia collaborations and artificial intelligence initiatives, also retreated 4.7% Wednesday.

The Philadelphia Semiconductor Index in the United States had fallen 4.7% during the prior trading session, contributing additional headwinds for Korean chip manufacturers.

Currency Strengthens as International Capital Returns

The South Korean won pushed through the 1,500 threshold, advancing 1.2% to reach 1,498.5 per dollar. The exchange rate represented its most robust position since May 29.

The appreciation stemmed partially from dollar liquidation connected to SK Hynix’s forthcoming American equity offering, projected to rank among the globe’s largest new share issuances.

International investors purchased Korean equities worth a net 335.9 billion won Wednesday, breaking a 13-consecutive-session selling streak.

Deputy Finance Minister Moon Ji-sung indicated that downward pressure from foreign profit realization should diminish during the year’s latter half as market dynamics normalize.

The KOSPI had ranked as the top-performing major international equity benchmark this year prior to the recent reversal. The index’s decline mirrors a wider reassessment of sentiment surrounding artificial intelligence valuations.

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