According to @CNBC, the biggest U.S. premarket movers include CME Group, Tilray Brands, and SanDisk, highlighting early-session volatility ahead of the open, source: @CNBC. For crypto-focused traders, CME Group lists Bitcoin (BTC) and Ether (ETH) futures, making equity moves in CME relevant for gauging sentiment around crypto derivatives activity, source: CME Group.