Updates

** Cerebras CBRS.O shares soar as much as 108.8% in hotly anticipated New York debut

** Stock opened at $350, compared with $185 offer price

** Sunnyvale, California-based CBRS sold 30 million shares, well above latest marketed range of $150-$160 apiece to raise $5.55 billion in what was 2026's largest U.S. IPO

** The chipmaker previously boosted price range and number of shares after IPO demand exceeded supply by over 20 times, Reuters reported

** The firm is known for its wafer-scale engine chips, designed to speed up the training and ⁠inference ​of large AI models and compete with products from Nvidia and ​other AI chip firms

** Morgan Stanley, Citigroup, Barclays, and UBS Investment Bank are the lead book-running managers