Goldman Sachs (GS) and HSBC Holdings plc (HSBC) , along with the other two companies, have settled a long-standing class action lawsuit, putting an end to claims of market manipulation in the platinum and palladium markets that have persisted for over a decade.The other defendants in the lawsuit are German industrial company BASF (BASFY) and London-based ICBC Standard Bank. GS, HSBC, BASFY and ICBC Standard Bank have agreed to pay $20 million to settle the long-standing platinum price-fixing antitrust lawsu ...