A Broadcom circuit board for chip testing is pictured during a lab tour as Broadcom prepares to launch new optical chip tech to fend off Nvidia in San Jose, California, U.S., September 5, 2025.Broadcom shares rallied 10.3% on Monday, as investors poured back into several high-flying tech companies tied to the artificial intelligence trade. Wall Street is also taking notice of the chipmaker as a derivate play of Alphabet's growing AI dominance. Broadcom — one of the biggest suppliers of high-performance, app ...