December 26, the three major U.S. stock indexes opened down, the Dow fell 0.22%, the S&P 500 index fell 0.31%, the Nasdaq fell 0.26%. Cryptocurrency concept stocks opened lower, MicroStrategy (MSTR.O) is now down 3.33 per cent, Coinbase (COIN.O) is now down 1.46 per cent, and Riot Blockchain (RIOT.O) is down 3.1 per cent. KANAN Technology, MARA and Bit Digital are all down less than 2 per cent. But Bit Fawn is up more than 4%, and KULR, which spent $21 million on bitcoin earlier today, is up about 28%.