Golden Finance reported that the three major U.S. stock indexes opened with mixed gains, with the Dow opening down 0.24%, the S&P 500 opening up 0.23%, and the Nasdaq opening up 0.29%. Cryptocurrency concept stocks generally fell at the opening, with MicroStrategy (MSTR.O) falling 5.9%, Coinbase (COIN.O) falling 3.9%, and Riot Blockchain (RIOT.O) falling 5.1%.