Cerebras stock falls after blockbuster IPO debut — here's what's happening

Cerebras Systems Inc. signage during the company's initial public offering (IPO) at the Nasdaq MarketSite in New York, US, on Thursday, May 14, 2026. Michael Nagle | Bloomberg | Getty Images Cerebras Systems ' shares were volatile in early trading Friday after the company completed the largest IPO by a U.S. tech firm in years. The semiconductor firm initially sold shares at $185 as it started trading on the New York-based Nasdaq stock exchange, before closing at $331.07 per share. …