【US Stock Movement】Cerebras Systems plunged on October 8: Nvidia declined + OpenAI concerns + increased supply from share reduction

Cerebras Systems October 8: Analysis of Sharp Decline

Keywords: NVIDIA decline, OpenAI concerns, share sale supply

1. On October 9, 2026, NVIDIA fell by about 2%, Oracle once dropped by 6.1%, and the Nasdaq 100 Index declined about 1%. The technology and artificial intelligence infrastructure sector weakened, dragging down CBRS shares.

2. On October 2, 2026, it was reported that OpenAI was running the “Ultrafast” mode of GPT-6.1 Sol on NVIDIA GPUs, prompting the market to reassess Cerebras’ dependence on a single major client and related cloud service revenues.

3. From September 29 to October 1, 2026, company executives and insiders disclosed plans to sell or had sold shares. In addition, the stock lock-up period expired, so the increased outstanding supply coincided with downward pressure from previous highs.

(Disclaimer: This content is summarized using AI technology based on publicly available information and is for reference only. It does not constitute investment advice.)