3 trillion: Nvidia stock briefly surpassed $3 trillion in market capitalization this week ahead of a 10-for-1 stock split that’ll make their share price much cheaper. The chipmaker, which is the third most valuable company in the S&P 500 behind Microsoft and Apple, has become a major beneficiary of the AI boom because of its powerful GPU chips. Stock splits don’t affect the value of a company’s stock, but make the share price more palatable for retail investors.