U.S. stock markets experienced volatility over the two-day period ending May 29, 2025. On May 28, the S&P 500 and Nasdaq both opened higher, with the S&P 500 up 10.28 points (0.17%) at 5,931.82 and Nasdaq up 45.73 points (0.24%) at 19,244.89 shortly after market open. However, both indices declined through the day, with the S&P 500 closing down 31.83 points (0.54%) at 5,889.71 and Nasdaq down 90.55 points (0.47%) at 19,108.62. Futures trading after hours showed a rebound, with S&P 500 futures rising as much as 1.6% and Nasdaq 100 futures up to 1.8%. On May 29, the positive momentum continued with futures rising further: S&P 500 e-mini futures increased 1.8%, Nasdaq 100 futures climbed 2.2%, and Dow futures were up 1.3%. At market open on May 29, the S&P 500 rose 0.8%, Nasdaq gained 1.44%, and Dow Jones increased 0.18%. By the close, the S&P 500 was up 19.26 points (0.33%) at 5,907.81, Nasdaq rose 75.32 points (0.39%) at 19,176.26, and Dow Jones gained 86.81 points (0.21%) at 42,185.51. The market gains followed a U.S. appeals court decision reinstating tariffs imposed by former President Donald Trump, which appeared to influence investor sentiment. Additionally, China’s FXI index rose 1.5% during this period, reflecting broader market movements.