Germany's financial regulator has said it won't take further action against the country's largest bank over alleged interest rate rigging and precious metals price fixing. The moves takes the spotlight off a former boss. The watchdog, known as Bafin, announced on Thursday it had ended several major special audits against Deutsche Bank. [...] Deutsche Bank paid $2.5 billion (2.26 billion euros) in fines in April last year after investigations on manipulating interest rates. The bank was also probed for its role in rigging prices of gold, silver, platinum and palladium. It also recorded a multibillion-euro loss for 2015. Bafin officials...