Earnings From AI-Heavyweight Nvidia to Test US Stocks

A 90% run in Nvidia’s shares this year has made it the third-biggest U.S. company by market value, trailing only Microsoft and Apple. Its influence on broader markets has also grown. Because Nvidia’s chips are the gold standard in artificial intelligence, its results are widely seen as a barometer for the burgeoning AI industry, whose evolution has stoked investor enthusiasm and helped drive the bull run in U.S. stocks. At the same time, Nvidia’s growing weighting in indexes and exchange-traded funds has given its share price moves an outsized influence...