BYD shares dropped after news that Warren Buffett's Berkshire Hathaway sold its entire stake
1. Berkshire sold its entire BYD stake, causing a 3% drop in shares. 2. Buffett's company earned $7 billion from its investment in BYD. 3. BYD's stock soared 50-fold since Berkshire's initial investment in 2008. 4. Buffett mentioned seeking higher returns elsewhere prompted the stake sale. 5. Munger called investing in BYD one of Berkshire's greatest contributions.