Apple's commitment will increase the Cupertino-based company's U.S. investment to $600 billion over four years as it seeks to avoid the cost of tariffs. The company announced a $500-billion U.S. investment commitment in February.

Apple Inc will announce a domestic manufacturing pledge of $100 billion on Wednesday that will focus on bringing more manufacturing to the United States, a White House official said. The pledge would be a new financial commitment on top of what Apple has already pledged,