U.S. stocks fell on Tuesday as concerns over lofty valuations hit investor confidence despite a steady stream of solid earnings.

Big tech companies are ramping up their AI investments at a rapid pace, and the scale of the outlays suggests that even if the market is in bubble territory, there may still be room to run.

The U.S. stock market kicked off the week mixed as tech stocks kept the momentum going while the broader market lagged.

Meta’s (META) latest earnings report sent shockwaves through Wall Street on Thursday, with shares falling more than 10% as investors balked at the company’s growing AI investments.

U.S. stocks were mixed on Thursday as Wall Street digested a volatile earnings week and reacted to fresh signals from the Federal Reserve and an apparent trade truce between the U.S. and China.

Avadel Pharmaceuticals’ $2.1B acquisition by Alkermes underscores Lumryz’s strong growth and profitability, with added upside tied to FDA approval for a new sleep disorder indication.

Nvidia (NVDA) has just become the first company in history to cross the $5 trillion market capitalization mark, a feat that highlights its leading position in the AI infrastructure race and the overwhelming investor enthusiasm in technology stocks.