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SK Hynix surges 25%, Samsung tops 20% as AI rally lifts South Korean chip stocks

7/31/2026

SK Hynix shares jumped 25% on Friday, with Samsung Electronics rising more than 20% in the same session. South Korea's two chip heavyweights tracked a sharp rally in U.S.

technology stocks as AI sentiment pushed back to the fore.

Friday's numbers | Company | Session gain | Status | |---|---|---| | SK Hynix | +25% | Reported | | Samsung Electronics | +20%-plus | Reported | SK Hynix outperformed Samsung on the day.

Both are single-session, reported figures. What drove the gains Neither company announced a specific catalyst. The South Korean chipmakers tracked U.S.

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