Fortinet's stock reaches record high, while Microsoft, Nvidia, and Broadcom bids disappoint

Fortinet's stock reached a record closing high, while Microsoft, Nvidia, and Broadcom fell short despite being leaders in the AI wave. Nvidia and Broadcom initially rallied after positive industry feedback on their AI chip market potential, but both stocks swung lower and closed down. Microsoft shares also traded near a record high but closed just short, gaining momentum from expanded cybersecurity offerings. Meanwhile, Fortinet, a cybersecurity company, achieved a fresh record close as its AI-augmented protection continues to perform well.