US stock market today (May 18, 2026): Wall Street turns mixed as Treasury yields ease and oil prices retreat
US stock indexes traded mixed as easing Treasury yields and lower oil prices calmed investor concerns following last week's bond selloff. The Dow Jones Industrial Average saw gains, while the S&P 500 edged up and the Nasdaq Composite slipped. Investors are now closely watching upcoming corporate earnings, with Nvidia and Walmart set to report.
