Shares of several semiconductor and AI infrastructure companies rose in the afternoon session after strong demand for AI hardware and robust corporate earnings revived investor optimism. According to CNBC, the rally extended to AMD, Nvidia, Micron and Marvell after SpaceX reported a 161% jump in third-quarter revenue, with its AI business growing ninefold to $7.56 billion. Elon Musk also announced that SpaceX and Tesla have formed special committees to discuss a possible merger, while investors looked ahead to Tesla's earnings report later that day. During the session, Teradyne rose 2.9%, Vishay Intertechnology 3.7%, Allegro MicroSystems 0.7%, Entegris 2.6% and AMD 3.5%. The article said the sustained spending and revenue figures eased recent concerns about a slowdown in AI investment.
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semiconductorsNVDAAMDartificial intelligence
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Related tickers and likely impact
NVDA
▲ Likely positiveNvidia
Relevance: low
| Market | US stocks |
|---|---|
| Sector | Information Technology |
| Industry | Semiconductors |
| Market cap | $5.2T |
| Close on 10/21/2026 | 221.97 |
| Change that session | +2.54% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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