Apple shares fall more than 6% as tariff concerns persistApple shares lost about 6.5% in midday trading amid Thursday's broader market sell-off, continuing the stock's series of hefty declines.The iPhone maker ended the previous session about 5% lower, giving up gains after the stock had earlier surged more than 15% — at one point notching its best day since 1998 after the Trump administration announced a 90-day tarriff pause on several U.S. trading partners. Apple shares have plunged more than ...