Biggest Stock Gainers Today in the U.S. Market (December 11, 2025): Takeovers, AI Winners and Micro‑Cap Rockets

The U.S. stock market was split in two on Thursday, December 11, 2025: mega‑cap tech sagged after Oracle’s ugly post‑earnings sell‑off, while the Dow notched a fresh record and a long tail of small and mid‑cap names exploded higher.

Biggest Stock Losers Today: Oracle’s AI Shock and Micro‑Cap Meltdowns Rock the U.S. Market (Dec. 11, 2025)

Biggest Stock Losers Today: Oracle’s AI Shock and Micro‑Cap Meltdowns Rock the U.S. Market (Dec. 11, 2025)

As Wall Street moves past the Federal Reserve’s latest interest‑rate cut, traders are staring at a very different story on their screens today: a cluster of heavy losers across U.S. stocks, led by a double‑digit plunge in Oracle and spectacular collapses in a handful of thinly traded micro‑caps.

US Stock Market Today Updates