Warren Buffett still says derivatives are 'weapons of mass destruction' <source:Furtune.com>
But why is he increasing his stake in BA ( Bank Of America )? This video may give you some ideas or clues. <Video Credit: C&K GO!> Further reading : This corner of Wall Street is making a mint for JPMorgan and Goldman as the stock market tanks. <source:cnn.com> "Amid the wreckage in global stock markets this week as panic over the spread of coronavirus wiped out $6 trillion in value, one corner of Wall Street has been making a mint. Equity derivatives desks at JPMorgan Chase and Goldman Sachs have thrived as a furious correction in U.S. stocks took hold in the past six days, according to people with knowledge of the situation...."WMD = Weapons Of Mass Destruction " !
This might be the reason why Warren Buffett sold all his shares of GS( Goldman Sachs) and reducing his holding in JP Morgan in recent portfolio rebalancing.