
Here are the biggest US stock market gainers at midday on Dec. 12, 2025—plus what’s driving the moves, from cannabis policy headlines to earnings reports and SEC filings. StockAnalysis+2Reuters+2
Today’s highest-ranked model selections.
The catalysts most likely to move markets.
Policy tone can move rates, USD, equities, gold and crypto simultaneously.
A weak final reading or elevated inflation expectations could pressure risk assets.
A surprise versus 58.0 may alter the near-term manufacturing-growth narrative.