The stock market is rallying as AI spending and Trump tariff news turn positive. Warren Buffett will step down as Berkshire Hathaway CEO at year-end.

The U.S. stock market continued to rebound from a period of volatility for the second straight week, with the S&P 500 closing ...

So far, though, Big Tech isn't backing down. Capital-expenditure growth spending from U.S. hyperscalers accelerated to 71% in the first quarter, with about $81 billion in spending, according to ...