The US stock market opened, with the Dow Jones up 0.11%, the S&P 500 index up 0.13%, and the Nasdaq up 0.1%. S&P Global (SPGI.N) fell 5.7%, with 2026 profit outlook below market expectations. Index providers and analytics company stocks followed suit, with Moody's (MCO.N) down 6.89%. Warner Bros Discovery (WBD.O) rose 2.1%, and Paramount added acquisition-related compensation costs.