[Significant Decline in Cryptocurrency Concept Stocks Before U.S. Market Open, CRCL Down 5.59%] BlockBeats News, September 15, according to BIT (bit.com) market data, cryptocurrency concept stocks saw a significant decline before the U.S. market opened, including: MSTR down 4.59%, CRCL down 5.59%, COIN down 4.72%, BMNR down 4.63%, SBET down 4.14%, HOOD down 2.75%, PURR down 3.15%.