BlockBeats News, August 28th, according to BIT (bit.com) market data, Federal Reserve Chair Powell's Friday speech signaled a rate hike, after which the U.S. stock and cryptocurrency-related stocks all fell. Among them: CRCL dropped by 3.33%, MSTR dropped by 4.32%, MARA dropped by 6.23%, COIN dropped by 4.27%, RIOT dropped by 5.8%, BMNR dropped by 2.65%, SBET dropped by 4.28%.