Key PointsThe healthcare giant announced a generative AI chatbot in March.It is using 1,000-plus AI tools across its various health units.The stock is up 53% over the past two months.10 stocks we like better than UnitedHealth Group › After a very difficult 2025, UnitedHealth Group (NYSE: UNH) has rebounded sharply in 2026, and artificial intelligence (AI) is a contributing factor to its recovery. Health insurance is an increasingly complex busin…