Chipmaker SK Hynix shares jumps 8% on Q3 profit beat, $25B payout plan

SK Hynix shares rose roughly 8% after the South Korean memory chipmaker reported a third-quarter profit above expectations and announced a $25 billion shareholder payout plan. The transmission runs through the memory cycle: stronger-than-expected earnings signal that DRAM and high-bandwidth memory pricing is holding up under AI server demand, which reprices the outlook for the broader semiconductor supply chain and for Korean equities, where chipmakers carry heavy index weight. Capital returns of this size also tighten the link between earnings momentum and equity flows, since the payout is a direct signal of cash generation that can draw income-oriented and foreign capital into Korea's large-cap names. Exposure is concentrated in memory peers and AI-linked hardware, with the won and Korean index sensitivity amplifying the move for offshore investors. The next catalyst to watch is Micron's fiscal fourth-quarter results and guidance, which will test whether the pricing strength SK Hynix is reporting extends to the rest of the memory market.

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