Jun 23, 2026, 6:54 PM ET, By: , SA News Editor Cerebras Systems (CBRS) tumbled 10.5% in extended trading on Tuesday as worries about the company's gross margins outweighed its deal with OpenAI (OPENAI). Looking to the fiscal second quarter, Cerebras expects core gross margins to be between 36% and 38%, down from To ensure this doesn’t happen in the future, please enable Javascript and cookies in your browser. If you have an ad-blocker enabled you may be blocked from proceeding.