Check out the companies making the biggest moves midday: Apple — The iPhone maker gained more than 5% after a White House official confirmed the company would invest another $100 billion in the U.S. That would bring Apple’s total U.S. investment over the next four years to $600 billion . Grocery Outlet — The discount grocery store rallied 38% after the company reported second-quarter earnings that beat the Street. Grocery Outlet earned 23 cents per share, excluding items, beating a FactSet consensus of 17 cents per share. Full-year earnings guidance also topped estimates. Bloomin’ Brands — The restaurant chain plunged 28.4% after providing weak guidance for the current quarter and full year. That overshadowed a better-than-expected earnings report for the second quarter. Viasat — The communications services stock surged more than 24% after stronger-than-expected results. Viasat reported fiscal first-quarter earnings per share of 17 cents on revenue of $1.17 billion. Analysts polled by FactSet were expecting an earnings loss of 65 cents per share on revenue of $1.13 billion. Scholar Rock — The unprofitable biotech fell 6% after second-quarter research and development expenses jumped to $62.4 million , far above the Street’s estimate of $46.6 million, StreetAccount said. The Q2 loss per share was also wider than expected. Capri Holdings — The maker of Jimmy Choo shoes and Michael Kors handbags j …