(Bloomberg) -- MicroStrategy Inc. bought $243 million of Bitcoin, the 10th consecutive weekly purchase by the enterprise software company turned leveraged Bitcoin proxy.Most Read from BloombergA Blueprint for Better Bike LanesWhat Robotaxis Brought San FranciscoAmbitious High-Speed Rail Plans Advance in the Baltic RegionNew York, San Francisco Ranked Worst for US Traffic in City CentersThe Tysons Corner, Virgina-based firm now owns over 2% of all the Bitcoin that will ever exist as co-founder an