NVIDIA’s Sigma Drafts Text in Parallel Blocks and Runs About 3.5 Times Faster Than Standard Decoding, Making Diffusion a Real Contender for Cheaper AI Inference

NVIDIA, Cornell and Georgia Tech researchers detail Nemotron-Labs-Sigma, a 3B/8B continuous diffusion language model that drafts text in parallel blocks, reporting up to 8x faster math generation after distillation and about 3.5x throughput over standard decoding, with clear caveats on scale and coding accuracy.

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Jensen Huang’s Exit Knocks 4.3% Off Nvidia and Up to 17% Off the AI Companies It Bankrolled, While AMD and Broadcom Jump Nearly 6%

Nvidia fell 4.34% after Jensen Huang resigned and CFO Colette Kress became interim CEO. Rivals AMD and Broadcom rallied, Nvidia-backed names like Nebius and CoreWeave slid, and S&P 500 index funds barely felt it. Here is what the rotation tells investors about key-person risk.

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Nvidia Sheds About $340 Billion After Hours as Its Board Reportedly Prepares to Oust Jensen Huang, Exposing the AI Trade’s Biggest Key-Person Risk

Nvidia fell about 8% after hours on a Wall Street Journal report that its board is preparing to remove CEO Jensen Huang, leaving investors to price a leadership vacuum six days before earnings.

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