The stock market is rallying as AI spending and Trump tariff news turn positive. Warren Buffett's Berkshire, Palantir on tap.

Big Tech capex remains intact, buoying sentiment and leading the market gains, including a 1.3% advance in the Vanguard IT ...

The broader S&P 500 rose 1.47% and the tech-heavy Nasdaq Composite gained 1.51%. The Dow and S&P 500 posted their ninth ...