Several semiconductor and computing-infrastructure stocks rose in the afternoon session, including Western Digital (WDC) up 3.2%, Nova (NVMI) up 3.2%, Amtech (ASYS) up 1.8%, Monolithic Power Systems (MPWR) up 1.9% and Texas Instruments (TXN) up 2.4%, after strong demand for AI hardware and solid earnings. According to CNBC, the rally also lifted AMD, Nvidia, Micron and Marvell after SpaceX reported a 161% jump in third-quarter revenue, with its AI business reaching $7.56 billion. Elon Musk announced that SpaceX and Tesla had formed special committees to discuss a possible merger. CNBC said these spending and revenue figures eased recent concerns of an impending AI slowdown, as the market awaited Tesla's earnings report later that day.
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Keywords
semiconductorsNVDASpaceXartificial 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% |
QQQ
▲ Likely positiveInvesco QQQ Trust
Relevance: low
| Market | US stocks |
|---|---|
| Sector | ETF |
| Close on 10/21/2026 | 725.20 |
| Change that session | +1.05% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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