On October 7, ARM Holdings fell 3.77% in regular trading, trading at $292.85/share, with Turnover of $73.569 million.

The decline was driven by the latest development in the Delaware federal court, where the contract dispute between Qualcomm and Arm has entered the jury trial phase, raising market concerns over the stability of Arm's royalty revenue.

Qualcomm has accused Arm of withholding necessary chip testing tools and leaking a threatening letter about terminating a key licensing agreement in 2024, which allegedly harmed Qualcomm's chip cooperation talks with Meta. Qualcomm is seeking to stop paying royalties for up to five years, potentially involving billions of dollars, and also wants to force Arm to license its V10 instruction set architecture. Arm has fully denied the allegations and argued that Qualcomm has failed to prove any actual damages. This escalation amplifies worries about Arm's long-term licensing income stability, a concern that has persisted since Qualcomm's 2021 acquisition of Nuvia.

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