ETR Q1 2026 Earnings EPS Slightly Misses Estimates Amid Operational Challenges Metallus MTUS Q1 2026 Earnings EPS Beat Highlights Cost Discipline Amid Revenue Headwinds GANX Q1 2026 Earnings NarrowerthanExpected Loss Drives Positive Stock Reaction Research Solutions RSSS Q1 2026 Earnings EPS Misses Estimates Amid Modest Share Decline BBLG Q1 2026 Earnings NarrowerthanExpected Loss as Bone Biologics Advances Development MNKD Q1 2026 Earnings WiderThanExpected Loss Fails to Deter Investors