Broadcom (AVGO) stock jumped on Monday after the fabless chipmaker announced a deal to supply AI processors for artificial intelligence leader OpenAI. Broadcom's deal follows similar OpenAI arrangements with chip rivals AMD (AMD) and Nvidia (NVDA). OpenAI's enormous capital spending plans present risks and rewards for computer hardware firms, Mizuho Securities analyst Vijay Rakesh said in a report Sunday. But, for now, the positives outweigh the potential negatives, he said. Under their "strategic collabora ...