Stocks moving the most midday: Microsoft drops suddenly on Anthropic threat to Office
CNBC's midday markets blog leads with Microsoft dropping 3% after Anthropic unveiled Claude workplace tools — Sheets, Whiteboards, and Data — that rival Office, with Nvidia also sliding as traders weigh fallout from CEO Jensen Huang's affair with an alleged Chinese spy. Among earnings movers, On Holding fell 8% on a direct-to-consumer miss, Sanmina soared 19% on a strong outlook, and Rocket Lab shed 6% after delaying its Neutron rocket's debut to 2027.
