A five-year investigation into alleged manipulation of silver prices has been dropped with no charges being filed, report Frank Tang and Douwe Miedema for Reuters. After 7,000 staff hours, the Commodity Futures Trading Commission (CFTC) decided that there was no evidence of wrongdoing. CFTC on the silver market investigation “Based upon the law and evidence as they exist at this time, there is not a viable basis to bring an enforcement action with respect to any firm or its employees related to our investigation of silver markets,” the CFTC said. Complaints of price fixing are probably more common than most…