U.S. stock markets open, with the three major indexes rising; the Dow Jones up 0.3%, the S&P 500 up 0.75%, and the Nasdaq up 1.17%. Nvidia (NVDA.O) rises by about 2.8%, as the market expects the company to unveil the new RTX 5090/5080 graphics cards at tomorrow's CES tech event. Automotive AI technology company Cerence (CRNC.O) rises over 20%, as the company announces an expansion of its partnership with Nvidia.