Bitcoin-related stocks experienced declines in premarket trading on Tuesday. At the time of writing, Strategy (MSTR.US) fell more than 2.6%, Coinbase Global, Inc. (COIN.US) dropped over 1.2%, and Circle Internet Corp. (CRCL.US) declined 0.85%. Robinhood (HOOD.US) decreased more than 1.4%, while BitMine Immersion Technologies Inc. (BMNR.US) was down over 1.3%. The movement follows a more than 1% drop in Bitcoin, which briefly fell below the $68,000 level. Ethereum saw a slight decline, trading at $1,996.2.