Berkshire-Hathaway posted a loss in the 4th quarter. Chief Investment Officer Andy Cross analyzes Warren Buffett’s annual letter to shareholders and shares why a new acquisition probably won’t happen in 2019. Plus, we delve into GE’s $21 billion sale of its biopharma unit to Danaher, and dip into the Fool Mailbag.   Thanks to Airbnb for supporting MarketFoolery!  Go to airbnb.com/fool and start hosting you’ll receive a $100 Amazon Gift Card if you generate $500 in booking value by May 30. Terms and conditions apply.