ISRG Q1 2026 Earnings EPS Beat by 168 Amid Revenue Discrepancy POET Q1 2026 Earnings EPS Misses Expectations as Revenue Remains Unreported GPGI Q1 2026 Earnings EPS Misses Estimates by Wide Margin Stock Declines MCHB Q1 2026 Earnings Profit Miss Sends Shares Lower Amid Margin Pressures CAG Q1 2026 Earnings EPS Misses Estimates but Stock Edges Higher DQ Q1 2026 Earnings Polysilicon Market Headwinds Lead to Substantial EPS Miss