Bitcoin’s run toward $100,000 has helped unleash massive gains for shares of a handful of cryptocurrency-adjacent companies. But it’s also raising questions about what it might mean for the rest of the stock market.

U.S. stocks are climbing after market superstar Nvidia and another round of companies said they’re making even fatter profits than expected.

The moves were part of a busy day for financial markets, as bitcoin briefly broke above $98,000 and crude oil prices continued to rise. Nvidia was a big reason for the stock market's meandering after yet again beating analysts’ estimates for profit and ...