Why Is Arm Holdings (ARM) Stock Price Up 17.36% Today, August 4? AI Demand and Chip Rebound Restore Risk Appetite
Arm Holdings (ARM) rose exactly 17.36% to $280.56 on August 4, 2026 as investors revisited its AI data-center royalty growth during a broad semiconductor rebound. Read the daily analysis of Arm's AI infrastructure outlook, momentum risk and key technical levels.