Margin-Led Rally, AI Earnings and Earnings-Beat Whiplash: Markets Parse Profitability, Positioning and Volatility

$POET — Today’s tape was dominated by a clear profit-margin story and renewed AI momentum, even as idiosyncratic earnings reactions and options positioning added short‑term volatility. POET’s report and pre‑market options flow, Lenovo and Cisco’s AI‑led strength, and the puzzling Cerebras selloff together highlight a market rewarding margins but skittish on execution risk.