Chip stocks had their worst day since June, yet they're still up 51% this year
The Philadelphia Semiconductor Index fell 6.7% on Oct 22. It is also more than 26% below its June record and up 51.5% for the year. All three facts hold at once.
On Thursday, Oct 22, 2026, the Philadelphia Semiconductor Index, the benchmark most people mean when they say "chip stocks," fell 6.7%. According to Reuters wire copy carried by the Honolulu Star-Advertiser, it was the index's biggest one-day percentage drop since June 23.
The damage was broad. Intel, AMD, Sandisk and Marvell each fell more than 8%, per…
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