CEO of Apple Tim Cook speaks at an event in 2022.Jerod Harris | Getty Images Entertainment | Getty ImagesThe Nasdaq Composite climbed more than 12% for its second best day ever as markets clawed back after a rocky few trading sessions spurred by President Donald Trump's wide sweeping tariffs. The tech-heavy index posted its best session since January 2001, when it rallied more than 14%.Stocks skyrocketed across the board Wednesday after Trump announced a 90-day pause on tariffs for some countrie...