In a surprising development, a group of plaintiffs in an antitrust litigation case against Deutsche Bank, HSBC Bank plc, the Bank of Nova Scotia, and UBS AG, have just announced that Deutsche Bank is in the process of negotiating the formal terms of a settlement agreement with the plaintiffs. Deutsche Bank, HSBC and Scotia are the only members of the London Silver Market Fixing Limited, a private company that had operated the London Silver Fixing auctions until mid August 2014, after which time…