Stocks Mostly Lower; Bill Ackman Makes This OfferStock Market Today: Dow Jones Up, Donald Trump Stock Rockets; Mark Zuckerberg Says This, Rocks Quantum Stocks (Live Coverage)

The Nasdaq and the S&P 500 slump as Biden's new AI rules rattle Nvidia and other tech stocks

Moderna surprises the Street by predicting a bigger-than-expected sales drop

The S&P 500 Makes a Run at Breakeven

Energy stocks are off to a blockbuster start in 2025 after back-to-back years of underperformance

This Wall Street Analyst Thinks Disney Stock Is Going to $147. Is It a Buy?