Accessibility Menu

Stock Market Today, Dec. 19: AI Optimism and Inflation Data Buoys Stocks

On Dec. 19, 2025, upbeat AI sentiment helped lift major U.S. indexes even as quad‑witching volatility kept trading choppy.

By Emma Newbery Dec 19, 2025 at 5:03PM EST

Premium Investing Services

Invest better with The Motley Fool. Get stock recommendations, portfolio guidance, and more from The Motley Fool's premium services.