U.S. blockchain stocks were mostly lower in premarket trading, with Coinbase down about 5.3%

BlockBeats news, September 19, as bitcoin briefly fell below $18,500 today, the US blockchain concept stocks fell premarket. Marathon Digital(MARA.O) was down about 7.4%, Riot Blockchain(Riot.O) was down about 9.96%, Coinbase(Coin.O) was down about 5.3%, MicroStrategy(MTSTR.O) fell about 3.9 percent. The (golden) ten