ALTO Q1 2026 Earnings Strong Profitability Surprises Markets SAM Q1 2026 Earnings EPS Misses Estimates Amidst Persistent Cost Headwinds RenovoRx Inc RNXT Q1 2026 Earnings ClinicalStage Biotech Reports WiderThanExpected Loss Stock Holds Steady BRC Q1 2026 Earnings Strong EPS Beat Drives Stock Higher Sigma Lithium Q1 2026 Earnings Strong EPS Beat Amid Lithium Market Tailwinds