Insurance stocks that have weather catastrophe exposure, meanwhile, are falling on potential insured losses tied to Hurricane Milton. Allstate , Travelers and Chubb saw their shares fall more than 3%, while Progressive and AIG all declined more than 1%.

KBW analyst Meyer Shields wrote Monday that Milton could cause “very significant insured losses” of more than $10 billion.

Key Takeaways Shares of Generac Holdings, which makes home generators, jumped again as Hurricane Milton approaches Florida less than two weeks after Hurricane Helene inundated several South Atlantic U.

Monday's gain added about $117 billion and $4 billion to the market valuations of Nvidia and Super Micro Computer, respectively.

Super Micro announced a liquid-cooling offering and said it’s shipping more than 100,000 graphics processing units each quarter.

Super Micro Computer extends gains after rising 16% on Monday, and General Motors hosts an investor day with Wall Street eager to hear more about the auto maker’s electric-vehicle business.