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KOSPI falls 6% on SK Hynix selloff as Nvidia retreats and Hims & Hers sinks 11.4%

7/29/2026

South Korea's KOSPI fell 6%, pulled lower by a drop in SK Hynix shares even as the chipmaker reported record quarterly revenue.

Nvidia (NVDA) and KLA Corp also retreated, adding to the session's broad technology-sector pressure.

Separately, Hims & Hers Health fell 11.4% after regulators alleged the company shared sensitive patient health data with advertisers.

Session movers | Security | Session move | Context | |---|---|---| | South Korea KOSPI | -6% (reported) | SK Hynix-driven decline | | Hims & Hers Health | -11.4% (reported) | Regulatory data-sharing allegation | | Nvidia (NVDA) | Declined | Percentage not disclosed | | KLA Corp | Declined | Percentage not disclosed | SK Hynix: record revenue, falling stock SK Hynix posted record quarterly revenue (reported).