Why isn't Arm participating in today's bounce for chip stocks?Despite gains for many other chip stocks today, Arm Holdings (ARM -5.42%) stock is losing ground in Thursday's trading. The company's share price was down 4% as of 2:45 p.m. ET, according to data from S&P Global Market Intelligence.Deutsche Bank published a new note on Arm before the market opened this morning. While analyst Ross Seymore issued a hold rating on the stock, he indicated expectations were high ahead of the company's upcoming earning ...