Lam Research is trading at $321.73 (down 4.1%) as semiconductor equipment stocks extend a multi-day pullback driven by profit-taking and growing anxiety over the durability of AI-related infrastructure demand.

  • Investors are reassessing AI wafer-fab capex after weaker-than-hoped data from key foundry peers.
  • The stock's rich valuation and recent insider selling have increased its vulnerability to sector-wide risk reduction, despite management’s supportive demand commentary.