Shares of SK Hynix experienced a sharp decline of over 8% in Seoul trading on Wednesday, while the American Depositary Receipts (ADRs) trading as SKHY on Nasdaq slid 9%. Samsung Electronics posted similar weakness with losses surpassing 7% during the same trading period.
This downturn formed part of a wider exodus from AI-linked semiconductor equities. Micron Technology and Western Digital both registered 7% declines, while SanDisk tumbled 9% in the previous session.
The South Korean benchmark KOSPI index plummeted 6% to reach 6,460.6, momentarily triggering circuit breaker protocols that paused trading activity earlier in the day.
Market anxiety originated from Tuesday’s U.S. trading session, where equities retreated as crude oil prices spiked. Ongoing tensions between the United States and Iran continued escalating, driving energy commodities higher.
Rising oil costs contributed to upward pressure on government bond yields. Elevated Treasury yields increase the discount rate investors use for valuation, making it more challenging to rationalize elevated multiples on growth-oriented equities.
Florian Ielpo from Lombard Odier Investment Managers offered a straightforward assessment: “The investment hurdle rate is rising again. This time through a combination of oil, fiscal supply and long-end term premium rather than a renewed acceleration in short-rate expectations.”
SK Hynix and Samsung Electronics have emerged as primary winners from artificial intelligence-fueled appetite for advanced high-bandwidth memory semiconductors. However, this concentrated exposure now renders them vulnerable when market participants pivot away from AI-themed investments.
The velocity of such reversals can be brutal. Both companies occupy central positions in the AI memory narrative, making them disproportionately susceptible when sentiment shifts against the sector.
In concurrent news released Wednesday, SK Hynix disclosed intentions to repurchase and eliminate 40 trillion won in treasury shares, approximately valued at $28.61 billion.
The semiconductor manufacturer additionally pledged to distribute a minimum of 50% of free cash flow produced during the 2025-2027 period back to equity holders.
Additional specifics regarding timing and execution methodology will accompany the firm’s third-quarter financial results.
Notwithstanding Wednesday’s sharp decline, Wall Street equity analysts maintain a Strong Buy consensus on SKHY stock. The consensus price target stands at $245.50, suggesting potential appreciation of approximately 58% from prevailing price levels.
The iShares MSCI South Korea ETF declined 8.13% during the session, while the Roundhill Memory ETF, which maintains SK Hynix as a significant holding, retreated 8.76%.
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