[U.S. Crypto Stocks Open Lower, MSTR Down 1.31%, BMNR Down 0.49%] BlockBeats News, December 15, according to market data, U.S. stock markets opened with the Dow Jones up 0.33%, the S&P 500 Index up 0.48%, and the Nasdaq up 0.58%. Cryptocurrency-related stocks generally fell, including: Coinbase (COIN) down 0.9% Circle (CRCL) down 0.95% Strategy (MSTR) down 1.31% Gemini (GEMI) down 4.54% Bitmine (BMNR) down 0.49% SharpLink Gaming (SBET) down 0.57% Bit Digital (BTBT) down 2% ETHZilla (ETHZ) down 2.08% BNB Network Company (BNC) down 0.36% ALT5 Sigma (ALTS) down 2.03% American Bitcoin (ABTC) down 2.53%