US stock futures retreated on October 21, 2026, as the recent technology sector rally lost momentum. The gains, which were driven by strong earnings reports, had previously boosted investor confidence in the artificial intelligence trade.
Both the Nasdaq 100 and S&P 500 futures declined in early Asian trading after their respective benchmarks had risen on Wall Street. Meta Platforms Inc. saw a significant jump in late trading due to a robust revenue forecast, while International Business Machines Corp. reported sales that exceeded expectations.
Tesla Inc. experienced a drop after hours following a reduction in its 2026 capital-spending forecast. The mixed performance across major tech companies highlighted the volatility in the market as investors reassessed their positions.