During a weak month for semiconductor stocks, Arm Holdings (ARM -4.46%) was one of several losers in the sector.

While there was no major company-specific news out on Arm, the company is highly sensitive to future expectations of CPU demand due to its upcoming launch of the Arm AGI CPU, its first chip.

With sentiment turning against the AI infrastructure sector, investors seem to be dialing back expectations for the potential of its new chip business, as well as the growth of its traditional IP business.

According to data from S&P Global Market Intelligence, the stock lost 21% last month.

As you can see from the chart below, the stock fell steadily over the course of the month, reflecting concerns in the broader chip sector.

ARM data by YCharts Why Arm stock is back below $200 The only major piece of company-specific news out on Arm last month was the verdict in its legal dispute with Qualcomm over a charge that Arm breached its license agreement.

Arm said the jury awarded Qualcomm just $1 in damages, and the stock finished the day, Oct.

13, bouncing back from a 5% sell-off.

Elsewhere, a combination of factors sent the stock....