SES AI Corp (NYSE:SES) shares are trading sharply lower Thursday morning after the lithium-metal battery developer posted mixed fourth-quarter results and issued a 2026 sales outlook that trailed Wall Street expectations. Here’s what investors need to know.SES AI shares are retreating from recent levels. Why is SES stock dropping?Q4 Results Show Earnings Beat, Revenue MissFor the fourth quarter, SES AI reported an adjusted loss of 4 cents per share, beating analysts' forecast for a 5-cent loss and narrowing ...