(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 BloombergThese Homes Withstood the LA Fires. Architects Explain WhyA Blueprint for Better Bike LanesWhat Robotaxis Brought San FranciscoAmbitious High-Speed Rail Plans Advance in the Baltic RegionThe Tysons Corner, Virgina-based firm now owns over 2% of all the Bitcoin that will ever exist as co-founder and Chairma