The pledge was a “significant acceleration” of the company’s plan for more production in the United States, according to a White House statement.

Apple shares climbed ahead of an Oval Office event where the company will announce plans to spend and invest more in the U.S. CEO Tim Cook will join President Donald Trump for the event set for 4:30 p.

President Donald Trump is expected to celebrate at the White House a commitment by Apple to increase its U.S. investments by an additional $100 billion over the next four years.