The S&P 500 was muted on Thursday as losses in tech heavyweights Microsoft and Nvidia countered earnings-led gains for Meta and Tesla, while investors parsed a slew of corporate earnings a day after the U.

The S&P 500 and the Nasdaq treaded water on Wednesday, as losses in tech heavyweights Apple and Nvidia limited broader gains and investor focus turned to the U.S. Federal Reserve's interest-rate decision,

The tech-heavy Nasdaq 100 is the best performer but more risk-averse investors may prefer the more broadly diversified S&P 500.

Thursday's coverage included more tech earnings, focus on Trump's latest on potential tariffs and more analysis around Monday's DeepSeek Dive.

The Vanguard U.S. Momentum Factor ETF ( VFMO 0.09%) narrowly beat the S&P 500 in 2024. But it is already up 6.3% year to date as of Jan. 26, outperforming the S&P 500's 3.7% gain.

That's music to the ears of Vistra, which cheered the market by acquiring more nuclear power capacity in 2024. Investors eagerly await updates on whether it will sign a deal with a cloud services company, although news of a fire at its California battery plant briefly sent shares sharply lower on Jan. 17.

The Nasdaq & S&P 500 fell after Chinese startup DeepSeek shows AI can be built cheaply, sparking fears AI spending will stall. The blue-chip Dow rose.

The S&P 500 climbed to 6,100 for the first time during Wednesday's session. Traders cheered strong earnings and an AI initiative Trump announced on Tuesday.

World markets are mostly higher following gains on Wall Street driven by Tesla, IBM and Meta Platforms after strong profit reports. European markets opened higher after the European Central Bank cut a quarter-point interest rate to 2.

Live Updates Make sure to refresh this page periodically for updates. Tesla Gains Fading 9:52 am While Tesla opened above $410 per share, gains are fading in early trading. As of 9:52 a.m. ET, shares are up .

The DeepSeek trigger likely busted the GenAI bubble, as it is likely to cause misses in the earnings and guidance estimates for related stocks. Read my analysis.