Cerebras Shares Hit 52-Week Low After Microsoft Plans Maia Expansion

Cerebras Systems (CBRS) shares fell 10.69% Monday to a new 52-week low as Microsoft outlined plans to expand its in-house Maia systems and OpenAI left the hardware for GPT-6.1 Sol’s “Ultrafast” tier unspecified. CBRS opened at $160.88, reached $161.20 and fell to $145.75 before ending at $146.62. Trading volume totaled 18,136,757 shares. The decline extended the stock’s slide below Cerebras’ $185 initial public offering price and set another post-IPO low . Microsoft plans to increase Azure Maia deployments to multi-gigawatt capacity beginning in 2027. The company also said Maia will become the primary inference system for Microsoft products and services.