Pomerantz LLP is investigating Cerebras Systems Inc. for potential securities fraud following the company's Q1 2026 earnings report, which showed a loss of $0.22 per share, missing analyst expectations of a $0.16 loss. The company also forecasted a narrower gross margin, leading to a nearly 20% drop in its stock price. The investigation aims to determine if Cerebras and its executives engaged in unlawful business practices.