Market reaction
iShares Semiconductor ETF shares surged 5.4% in pre-open trading following an earnings release from AI cloud infrastructure operator CoreWeave that topped forecasts on multiple metrics. The vendor’s report, issued after Tuesday’s market close, helped push semiconductor-related names significantly higher in early trading.
CoreWeave results and outlook
CoreWeave said its third-quarter 2026 revenue rose 168% year-over-year to $3.661 billion, and that its contracted revenue backlog reached roughly $132.5 billion. The company also raised its full-year revenue guidance. At the same time, CoreWeave’s net loss widened as interest and depreciation costs increased.
Chip-equipment and supplier moves
The earnings beat and stronger demand signal for AI infrastructure acted as a positive read-through for firms that supply chips, networking gear, data-center hardware and enabling software platforms - many of which are held in SOXX. In pre-market activity, several large components of the ETF recorded sharp gains: Marvell Technology climbed 7.6%, Arm rose 6.6%, Micron advanced 6.6%, Lam Research gained 6.3%, and Intel added 5.9%.
Separately, a weekend report about Elon Musk’s Terafab semiconductor manufacturing effort, which targets one million wafers per month by 2032, contributed to improved sentiment around chip-equipment names.
Wider market context
The session’s pre-market posture was characterized as selective risk-on amid sizable macro headwinds. AI and semiconductor stocks led a focused rebound, but market commentators cautioned this was not yet a confirmed broad trend reversal. The most immediate confirmations of strength were observed in chip shares and Nasdaq futures, while continued pressure from weak long-duration bonds and a firm U.S. dollar kept growth-stock valuations under strain.
During the trading session, the Nasdaq rose 2.0% and the S&P 500 gained 0.9%, creating a generally constructive backdrop for technology and semiconductor sectors. The regional rally in Asia followed a weaker session on Wall Street, where stronger-than-expected U.S. inflation data had previously revived concerns about the path of interest rates.
Flow and technical backdrop
According to trading-desk accounts, the tech-hardware complex entered the week in a deeply washed-out condition and appeared primed for a bounce. Several desks reported historically rare intensity of institutional net selling during last Thursday’s risk purge. That oversold technical setup, combined with CoreWeave’s earnings-driven validation of AI demand and a firmer Nasdaq, produced a confluence of factors that pushed SOXX well above its prior close of $146.59. The fund, however, remains below its 52-week high of $218.65.
Takeaway
CoreWeave’s quarter reinforced demand expectations for AI infrastructure, which in turn boosted equities tied to the semiconductor and data-center supply chains. The move in SOXX and several large chip names reflects that linkage, even as broader macro variables and company-level cost pressures introduce important caveats for the path forward.
Market data cited
- CoreWeave Q3 2026 revenue: $3.661 billion, up 168% year-over-year
- Contracted revenue backlog: approximately $132.5 billion
- SOXX pre-open move: +5.4%
- Selected component moves in pre-market: Marvell +7.6%, Arm +6.6%, Micron +6.6%, Lam Research +6.3%, Intel +5.9%
- Major indexes during the session: Nasdaq +2.0%, S&P 500 +0.9%