[U.S. Crypto Stocks Mostly Up Pre-Market, BMNR Up 7.21%, MSTR Up 3.94%] BlockBeats News, December 19, according to market data, U.S. cryptocurrency concept stocks are mostly up pre-market, including: Coinbase (COIN) up 3.22% Circle (CRCL) up 3.32% Strategy (MSTR) up 3.94% Bullish (BLSH) up 1.94% Gemini (GEMI) up 1.57% Bitmine (BMNR) up 7.21% SharpLink Gaming (SBET) up 4.88% Bit Digital (BTBT) up 6.44% ETHZilla (ETHZ) up 1.42% ALT5 Sigma (ALTS) up 2.26%