Only 7 of 78 S&P 500 tech stocks rose on 16 October. The other 422 stocks were nearly flat.
Published · 1 min read
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The S&P 500 lost $794 billion on 16 October and technology accounted for $750 billion of it. Outside tech, the index slipped 0.1%. Wednesday looked the same.
The S&P 500 fell 1.12% on Friday, 16 October, a loss of $794 billion in market value. Technology accounted for $750 billion of that, or 94%. Only 7 of the 78 stocks the site classifies as technology closed higher, the fewest on any session since our S&P 500 snapshots begin in mid-June.
The other 422 stocks in the index fell 0.1% together, and 241 of them rose.
The second time this week
Wednesday, 14 October, had the same shape. The index fell 1.15% on the day of a hot inflation reading, and technology lost $807 billion of the index's $824 billion drop. Outside tech, the index was down 0.04%.
| Session | S&P 500 | Technology | The other 422 |
|---|---|---|---|
| Wed 14 Oct | -1.15% | -2.78% | -0.04% |
| Thu 15 Oct | +0.35% | -0.50% | +0.92% |
| Fri 16 Oct | -1.12% | -2.67% | -0.11% |
Technology fell on all three days. Over Wednesday and Friday it gave up $1.56 trillion while the rest of the index barely moved. On Thursday, when tech slipped 0.5%, the other 422 stocks rose 0.9%.
Nowhere to hide, inside tech
MarketWatch headlined Friday's session "Nowhere to hide", and inside tech that held. Cybersecurity, software and chips all dropped: $PANW 7.6%, $CRWD and $FTNT 7.0% each, $PLTR 7.2% and $AMD 6.0%. The biggest company among the seven risers was Apple, up 0.43%. The others were $ACN, $MSI, $CTSH, $SWKS, $ROP and $FICO.
Outside tech the map was mostly green. Energy rose 2.5%, with all 21 of its stocks up on the day oil traded back above $100. Utilities rose 1.4%, with 28 of 31 higher.
The site's technology sector includes Meta, which fell 3.7%. Alphabet sits in communication services, where it fell 2.5%.
See it on the site
Sources
- Nowhere to hide: Tech selloff hits software and chip stocks alike — MarketWatch (16 Oct 2026)
- Wall Street tumbles as worries about AI trade and high oil prices weigh — Reuters (16 Oct 2026)
- S&P 500 drops 1%, dragged down by hot inflation data and sell-off in AI-related stocks — CNBC (14 Oct 2026)
- Oil Jumped Past $100 As Energy Stocks Rose Friday — Finimize (16 Oct 2026)
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