MicroStrategy (MSTR) ups its bitcoin (BTC) game, grabbing 3,000 tokens for $155M, raising total holdings to 193,000 coins. Purchased from Feb. 15 to Feb. 25 at $51,813 each, per SEC filing. Company’s BTC stash now valued at $6.09B, averaging $31,544 per coin, as per Executive Chairman Michael Saylor’s tweet.