BigBear.ai (BBAI) Stock News Today: Defense AI Partnership Sparks Rally as Ask Sage Deal and Share Vote Loom (Dec. 22, 2025)
BigBear.ai Holdings, Inc. (NYSE: BBAI) is back in the spotlight as investors chase a familiar cocktail of catalysts: defense-adjacent AI headlines, a big strategic partnership tied to radar and border security, and an ongoing corporate push to expand share authorization—often