Berkshire Hathaway Returns to Airlines With 26 Billion Stake in Delta Air Lines John JHI Falls 083 Watching 1243 Support 20260515 Seagate Leads Memory Chip SellOff After CEO Comments on Factory Expansion Timelines SiriusXM Holdings SIRI Stock Analysis Falls 202 Watching 2441 20260515 Bill Ackmans Pershing Square Builds Microsoft Stake in Q1 Betting on AI and Cloud Growth BRP DOO Reports Strong Q1 2026 Revenue NA EPS Beats United UHGWW Flat at 023 Consolidation Continues 20260513