BlockBeats News, August 21st, according to BIT (Bit.com) market data, pre-market crypto-related stocks showed strong gains in the US stock market, including:MSTR up 11.12%; COIN up 6.75%, CRCL up 6.42%; SBET up 4.45%; BMNR up 4.96%, HOOD up 4.68%, PURR up 3.87%.