Berkshire Hathaway Reacquires Significant Stake in Delta Air Lines Signaling Renewed Interest in Aviation Sector TNDM Q1 2026 Earnings Tandem Diabetes Posts NarrowerThanExpected Loss Shares Rise Perpetua Resources Secures 29 Billion US Loan for Idaho GoldAntimony Project SANA Q1 2026 Earnings NarrowerThanExpected Loss Offers Cautious Optimism SNOA Q1 2026 Earnings EPS Misses Expectations Stock Declines EFC Q1 2026 Earnings Strong EPS Beat Drives Positive Market Response Exxon Mobil Corporation XOM Core Thesis Holds Despite Shifting Market Dynamics