Signage at the Broadcom Inc. headquarters in San Jose, California, U.S., on Monday, June 2, 2025.The sell-off in artificial intelligence stocks continued unabated Friday stateside. Broadcom shares tumbled more than 11% as investors grew concerned over lower margins and uncertain deals. Names such as Nvidia, Advanced Micro Devices and Oracle fell in sympathy, which caused major U.S. indexes to close lower.It was a motif patterning the week. Even though the Dow Jones Industrial Average rose 1.1% week on week ...