US stock futures, including the Nasdaq and Dow, showed gains ahead of the market open on May 9, 2025. The S&P 500 opened 0.4% higher and the Nasdaq rose 0.6%, with the broader market attempting to extend a three-day winning streak. However, by the close of trading, the S&P 500 declined slightly by 0.1%, and the Nasdaq finished little changed, indicating a mixed session despite the positive start.