AMAT is trading at $634.68 (-2.49%) now after a volatile two-day move that included a -9.97% drop on July 1. The broader semiconductor complex weakened, and Yahoo Finance specifically attributes AMAT’s pressure to a semiconductor sell-off driven by profit-taking.[4]
There is no clear company-specific catalyst in the provided sources. The decline looks more like sector-driven volatility and a follow-through move after the prior session’s sharp slide, even as U.S. indices are modestly higher today.