A Broadcom sign is pictured as the company prepares to launch new optical chip tech to fend off Nvidia in San Jose, California, U.S., September 5, 2025. Brittany Hosea-small | ReutersBroadcom reported fourth-quarter results that beat expectations for earnings and revenue, and issued a strong forecast for the current quarter, driven by artificial intelligence demand. The stock rose 3% in extended trading on Thursday.Here's how the company did, compared with estimates from analysts polled by LSEG...