Dow Jones Top Markets Headlines at 3 AM ET: Asia Equities Slide as Doubts Over AI Spending Grow | Iran ...

Dow Jones Top Markets Headlines at 3 AM ET: Asia Equities Slide as Doubts Over AI Spending Grow | Iran ...

Asia stocks tumbled Tuesday with South Korea leading losses as concerns mount over AI spending sustainability. Tech teams may face budget scrutiny if AI capex returns don't materialize—foundation model ROI is now the gating factor for 2026-27 investment decisions.