A London-based trading house bought 250,000 barrels of oil during the historic plunge below $0, and likely made a fortune

· London-based oil trading house BB Energy bought 250,0000 barrels of oil when US prices turned negative on April 20, raking in a huge profit in the process, Bloomberg reported Wednesday. 
· BB Energy was one of the few trading houses that had storage capacity at a time when other traders were scrambling for options, allowing...