The acquisition of Hess—and its stake in a generational oil find—helps clear up lingering doubts about Chevron’s growth ...

Chevron Corp. has prevailed in a 20-month fight to buy Hess Corp. for $53 billion, overcoming a challenge by arch rival Exxon ...

Block, the financial technology company formerly known as Square, will join the index before the start of trading on Wednesday, according to S&P Dow Jones Indices, which oversees the S&P 500.