Stocks making the biggest premarket moves: UnitedHealth, TSMC, GE Aerospace, J.B. Hunt

Several companies were moving sharply in premarket trading on Thursday after reporting quarterly results or receiving analyst updates. UnitedHealth rose more than 7% after its secondquarter earnings beat Wall Street expectations and the company lifted its fullyear profit outlook. TSMC fell 4% even though it topped earnings estimates, as investors focused on higher capital spending plans and a new $100 billion investment in Arizona. Other notable movers included AtaiBeckley, which jumped after Eli Lilly agreed to buy it for $2.8 billion, and GE Aerospace, which fell despite beating estimates and raising guidance. United Airlines declined after issuing weakerthanexpected thirdquarter profit guidance. J.B. Hunt gained nearly 7% after beating earnings forecasts, while AeroVironment and Rocket Companies also advanced on analyst upgrades and higher price targets.