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Yahoo Finance· July 29, 2026

SK Hynix Plunge Exposes a Shocking Truth About Chip Stocks

The sharp sell-off in SK Hynix — one of the world's largest memory chip producers — has exposed a contradiction that has been building in the semiconductor sector for some time. Chipmaker stocks have been trading at elevated multiples driven by AI hype, yet the underlying business still follows brutal supply-and-demand cycles. The SK Hynix drop reminds investors that rising AI capital expenditures do not guarantee profits will be evenly distributed across the supply chain. Growing competition from Chinese manufacturers is also squeezing margins. Analysts warn that valuations across many semiconductor names still price in an overly optimistic scenario.