SK Hynix Crashes 15% and Resets the Memory Trade

A sudden divergence has emerged in the global semiconductor supply chain as Asian memory manufacturers face sharp corrections while US logic and storage designers remain resilient. This performance gap suggests that the market is repricing the hardware stack, shifting focus from raw memory capacity to specialized logic and custom integration.

Coverage

Independent Research

Prepared by

Octans Research

Sector

cross-asset

Tickers

000660.KS · MU · NVDA · TSM · AVGO · WDC

As of

2026-07-13

Memory correction accelerates. The Asian supply chain faces pressure as SK Hynix (000660.KS) fell 15.4% in Monday trading in Seoul as of July 13 2026. This drop highlights shifting hardware demands across the global market.

Extended losses mount. The regional weakness extends further with a 5 day move of 21.3%, reflecting broad sector rotation.

Valuations reset lower. The shares traded at 1,845,000 Korean won. Market participants monitor these technical levels closely. Traders evaluate the next potential support zones amid ongoing volatility.

US peers diverge. Micron showed moderate movements, falling 1.2% on the same day as of July 10 2026. The domestic memory sector demonstrates relative stability compared to international counterparts.

Weekly performance stabilizes. Over the last 5 days, the domestic stock secured a slight gain of up 0.4%, indicating that buyers remain active in specific market pockets.

Price levels hold. The shares recorded a last close of 979.3 USD. This resilience contrasts sharply with overseas counterparts facing steep declines. Institutional buyers continue to support the domestic structure.

Logic designers advance. Nvidia led the upward momentum with a strong same day move of up 4% as of July 10 2026. The specialized silicon segment attracts sustained interest from enterprise buyers.

Momentum builds rapidly. The designer achieved an impressive 5 day move of up 8.3% to reach a last close of 211 USD, underscoring the robust appetite for advanced processing capabilities.

The divergence represents localized flows rather than a structural shift. Western Digital demonstrated strength with a same day move of up 0.8% as of July 10 2026 and a 5 day move of up 8.1%. This suggests storage demand remains intact.

Storage markets firm. The asset reached a last close of 582.6 USD while TSMC remained flat at 0% over 5 days, indicating that if logic valuations correct, the structural shift thesis could face pressure.