US Stock Market Most Popular Stocks Today (Dec. 11, 2025): Oracle Crash, Disney–OpenAI AI Deal, PetMed Buyout Buzz
The big story: Oracle’s shock AI spending plans blew a hole in the AI trade, even as Disney’s $1 billion investment in OpenAI stole the headlines on the upside. In the “most active” column, traders piled into names like Oracle, Nvidia, PetMed Express, HeartBeam and Plug Power, alongside a pack of ultra‑volatile microcaps. ChartMill+1
