Several AI-related chip and hardware stocks rose in the afternoon session, including MACOM (+2.8%), Semtech (+3.3%), FormFactor (+3.8%), Penguin Solutions (+3.1%) and Seagate (+3.3%), after strong AI hardware demand lifted the broader sector. The rally followed SpaceX's report of a 161% jump in third-quarter revenue, with its AI business growing ninefold to $7.56 billion, and Elon Musk's announcement that SpaceX and Tesla have formed special committees to discuss a merger. Market sentiment also reflected anticipation of Tesla's earnings report due later that day, with the article saying sustained spending helped ease concerns about an AI slowdown. The article notes FormFactor is highly volatile, with 80 moves greater than 5% over the past year, so today's move is seen as meaningful but not a fundamental change in how the market views the business.
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semiconductorsSpaceXmergers and acquisitionsartificial intelligenceTesla
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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 | 221.87 |
| Change that session | +2.49% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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