Stocks making biggest moves premarket: Opendoor, GM and more
Check out the companies making headlines before the bell: Opendoor Technologies — The online real estate startup popped more than 13%, extending a rally powered by retail traders chasing meme stocks. Opendoor, which has often been cited on Reddit’s WallStreetBets forum, is ahead more than 500% this month. Trading volume exploded to 1.9 billion shares…