Michael Saylor’s Bitcoin (BTC) treasury company, Strategy (Nasdaq: MSTR), increased its U.S. Dollar Reserve by $747.8 million last week. The company used the proceeds from the sale of its MSTR common stock during the period to fund the cash raise. Related: Michael Saylor's Strategy announces $1.44B dollar reserve as stock slumps With the latest accumulation, Strategy's USD Reserve is worth $2.19 billion as of Dec. 21. The company said it may adjust the reserve from time to time based on market conditions ...