Stocks making the biggest moves premarket: VST, OS, MCHP
Check out the companies making headlines before the bell: Nvidia — The chip stock rose 0.5% after the company unveiled new autonomous vehicle software at CES, the global tech conference. Vistra — Shares rose 4.7% after the electricity generation company said it agreed to acquire Cogentrix Energy for roughly $4 billion. Microchip Technology — The…