Stock Market News Dec. 15, 2025: Dow, S&P 500 end lower, Nasdaq posts third straight daily loss as investors rotate out of AI trade, await economic data

Chegg Receives Continued Listing Standard Notice from NYSE

The Real Reason Tesla Isn’t in the Dow Jones

Discipline and Rules-Based Execution in TENX Response

The Nasdaq wants 23-hour-a-day trading

The stock market is about to do something it's only done three times since the postwar era. History says this is what happens in 2026