U.S. stocks opened, the Dow was flat, the S & P 500 was up 0.02% and the Nasdaq was up 0.11%. Cryptocurrency-related stocks were mostly higher, with MicroStrategy (MSTR. O) up 8.6%, Coinbase (COIN. O) up 2.4%, Marathon Digital (MARA. O) up about 3.3% and Riot Blockchain (RIOT. O) up 5.1%. Earlier today, Bitcoin made a historic moment, breaking the $100,000 milestone.