On Tuesday, Bitcoin-related stocks gained in pre-market trading. As of writing, Strategy (MSTR.US) surged over 3.3%, Circle (CRCL.US) climbed more than 3.4%, Coinbase (COIN.US) advanced nearly 3%, and Robinhood (HOOD.US) rose over 2%. Bitcoin itself increased by more than 2%, reaching $88,231.94.