Why Arm Holdings Stock Was Climbing Today

Shares of Arm Holdings (ARM 3.98%) were gaining on a broader surge in the market and on artificial intelligence (AI)-specific news.First, stocks jumped in Trump's first full day in office, as he avoided enacting tariffs, which is favorable for global trade and economic growth, as most investors see it. Second, Trump is announcing a new AI infrastructure investment that looks set to benefit Arm.As a result, Arm stock finished the day up 4%, jumping in afternoon trading as news broke about Trump's AI plans. H ...