Cerebras Systems is trading at $154.37 (-6.74%) at 9:53 a.m. ET on October 12, 2026, amid a broad AI and semiconductor selloff. - Reports described sharp premarket losses among chipmakers and linked the pressure to AI leaders’ calls to slow development of advanced models. - No Cerebras-specific announcement or catalyst surfaced in the search for October 12; trading-volume information was unavailable.