SMHX is trading at $60.32, down 1.84%, as AI leaders’ calls to slow advanced AI development renew chip-demand concerns and prompt investors to unwind crowded AI trades. - A report said semiconductor ETFs fell sharply in premarket trading; the broader Nasdaq ETF also declined, suggesting greater pressure on the sector than the wider market. - Available information points to an industry-wide catalyst, not a company-specific SMHX announcement. No SMHX-specific news or unusually high trading volume was verified.