Investors turn to financial results from artificial intelligence bellwether Nvidia Corp (NVDA.O), in the coming week to steady a U.S. stock market that has been rocked by AI-related worries and is digesting a Supreme Court overturn of President Donald Trump’s sweeping trade tariffs. Friday’s Supreme Court ruling striking down Trump’s tariffs initially lifted stocks and Treasury yields but left investors grappling with the uncertainty over what other forms of trade duties Trump will resort to...