MRK Stock Today: Merck Jumps on Wells Fargo Upgrade and Keytruda Momentum (November 24, 2025)
Merck shares climbed nearly 4% to around $101.40 by early afternoon Monday, nearing 2025 highs after Wells Fargo upgraded the stock to “Overweight” and raised its price target to $125. The move followed new FDA approvals and pipeline updates. Options activity surged, with call volume outpacing puts more than 3:1. Merck’s market cap stood at about $252 billion.