President Trump spoke with Apple CEO Tim Cook following the U.S.-China agreement to suspend most tariffs for 90 days.Apple’s stock rose by 6% after the tariff pause announcement, outperforming the Nasdaq's 3% gain.Trump mentioned that Apple will be investing in building plants in the U.S. and expanding operations, aiming to spend $500 billion.Any easing of the U.S.-China trade war is expected to benefit Apple, which has a significant manufacturing base in China.