The same week Anthropic's Amodei and OpenAI's Altman called to slow AI development, chip stocks led by Nvidia and Broadcom sank on a semiconductor gauge down 5.9 percent while cybersecurity names (CrowdStrike, Zscaler, Fortinet, Okta) rallied 8 to 15 percent, President Trump personally mocked Amodei over the call, and 25 Fields Medal and Abel Prize winners published a joint statement rejecting AI's claimed encroachment on mathematics.