Nvidia CEO Jensen Huang attends a round table discussion at the VivaTech fair dedicated to innovation and startups in Paris, Wednesday, June 11, 2025. Credit: Sarah Meyssonnier/Pool via AP Silicon Valley chipmaker Nvidia on Wednesday became the first publicly traded company to surpass a $4 trillion market valuation, putting the latest exclamation point on the investor frenzy surrounding an artificial intelligence boom powered by its industry-leading proces