US stock market showed steady gains today as investors gear up for an important week ahead. The S&P 500 rose 0.42% to close near 6,672 points, while the Nasdaq Composite led the gains, climbing 0.8%, driven by strong performance in technology and AI-focused companies. The Dow Jones Industrial Average slipped slightly, down 0.07% to 46,217 points, reflecting mixed investor sentiment across sectors.