Inside the JPMorgan Trading Desk the U.S. Called a Crime Ring

(Bloomberg) -- Billionaires have Davos. For filmmakers, there’s Sundance. For the people who mine and trade and ship everything from iron ore to platinum, there’s London Metal Exchange Week. It’s a blur of symposiums and drinks, with a reliably lavish lunch thrown by JPMorgan Chase & Co. On a balmy October day in 2018, hundreds of guests crossed a courtyard in the shadow of the Bank of England to a medieval guild hall for champagne and sashimi courtesy of the bank and its top metals trader,...