The S&P 500 and the Nasdaq treaded water on Wednesday, as losses in tech heavyweights Apple and Nvidia limited broader gains and investor focus turned to the U.S. Federal Reserve's interest-rate decision,

Stock markets are slowly beginning to bounce back from Monday's AI stock-driven selloff, as investors recover from their shock over the "Sputnik moment," the discovery that China has an AI startup that can build large language models much,