Chubb (CB) Stock Climbs to a New 52-Week High as AIG Deal Chatter Sparks Volatility — Weekly Recap, Forecasts, and the Week Ahead (Updated Dec. 12, 2025)
Chubb Limited shares closed Friday at $308.47, a new 52-week high, after a week of gains driven by M&A speculation involving AIG and positive analyst sentiment. The stock rose 3.8% from Monday’s close, with a brief dip midweek after reports Chubb approached AIG about a takeover—claims both companies denied.