Many AI-leading stocks are pulling back after three years of strong gains, as investors worry about rising data-center funding costs and weaker-than-expected future demand. The iShares Semiconductor ETF is down more than 20% from its June peak and is in bear territory, weighing on the Nasdaq-100 and S&P 500. The author highlights two non-semiconductor AI stocks: Datadog (DDOG), whose revenue growth accelerated to 36% in Q2 and whose 2026 revenue forecast was raised by $140 million to $4.46 billion, though its P/S of 24.3 is well above its three-year average of 17.7. Palo Alto Networks (PANW) reported next-generation security ARR of $9 billion, up 63%, and targets $20 billion by fiscal 2030.
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artificial intelligencesemiconductorsQQQNVDA
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Related tickers and likely impact
QQQ
▼ Likely negativeInvesco QQQ Trust
Relevance: medium
| Market | US stocks |
|---|---|
| Sector | ETF |
| Close on 10/16/2026 | 709.82 |
| Change that session | -2.50% |
NVDA
▼ Likely negativeNvidia
Relevance: medium
| Market | US stocks |
|---|---|
| Sector | Information Technology |
| Industry | Semiconductors |
| Market cap | $5.2T |
| Close on 10/16/2026 | 214.14 |
| Change that session | -1.42% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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