
U.S. stock markets posted gains on October 18, 2025, while crypto equities experienced varied results, with some rising and others facing steep declines.
U.S. stock indexes closed higher on October 18, 2025, with the Dow, S&P 500, and Nasdaq each up by 0.52% to 0.53%. Crypto-linked stocks showed mixed results, with Coinbase, MicroStrategy, and BTCS posting gains, while Helius and ALT5 Sigma dropped significantly, reflecting volatility in the sector.