After-hours plunge! Arm (ARM.US) disappoints Q1 performance guidance, highlighting concerns about the slowdown in the chip industry.

According to the financial news app Zhitong Finance, Arm Holdings (ARM.US) has announced disappointing first-quarter sales expectations, sparking concerns about a slowdown in the chip industry driven by tariffs. Arm stated in a statement that first-quarter revenue is expected to reach $1-1.1 billion, with analysts' expectations at the higher end of that range. After excluding certain items, earnings per share are expected to be 30-38 cents, lower than analysts' expectations of 42 cents. Following the financial report, as of the time of writing, Arm's stock price has fallen over 11% in after-hours trading. As of Wednesday's closing, the stock has risen less than 1% so far this year.