Why is ARM down? Arm Holdings stock plunges on earnings report, despite AI chip boom

A day after chip giants Nvidia and TSMC saw a bump in share price, ARM is seeing a drop, even as its revenue rose 39% year-over-year.

Just a day after chip giants Nvidia and TSMC saw their stock prices rise, opposite fortunes are affecting competitor Arm Holdings. Yesterday after the close of the markets, Arm reported its first quarter results for fiscal year 2025, and in premarket trading this morning, its shares (ticker: ARM) have plunged. As of the time of this writing, the stock is currently down over 8%.