SK海力士大跌近9%！高盛三年来首次下调其评级，HBM价格战即将打响？

Group 1 - SK Hynix's stock price dropped significantly, marking its largest decline in nearly three months, following Goldman Sachs' downgrade of the company's rating from "Buy" to "Neutral" [1][8] - Goldman Sachs expressed concerns about SK Hynix's sustainable market dominance in high bandwidth memory (HBM) due to technological advancements by competitors like Samsung Electronics [1][5] - Samsung Electronics' stock rose nearly 3%, indicating a shift in market sentiment as it gradually catches up in the HBM chip sector [2][8] Group 2 - Goldman Sachs warned that HBM pricing may decline for the first time in 2026 due to increased competition and a shift in pricing power towards major customers, posing a significant challenge for SK Hynix, which heavily relies on Nvidia [5][7] - Analysts from Mirae Asset Securities also downgraded SK Hynix's rating, predicting a potential decline in the company's HBM market share as next-generation chips are set to ship next year [8] - Despite the downgrade, SK Hynix's stock has risen 57% year-to-date, outperforming Samsung's 23% increase, although risks are growing [8]