SMHX is trading 5% down now at $54.39 after semiconductor and AI-linked stocks sold off on September 14, 2026.
- Anthropic CEO Dario Amodei urged the industry to slow frontier-AI development; OpenAI CEO Sam Altman and xAI CEO Elon Musk supported the call.
- The warnings raised concerns about future AI infrastructure spending, while weaker Nasdaq futures and elevated oil prices added broader pressure.