In the four full trading days since the Department of Labor announced its new fiduciary rule, some stocks of mutual fund companies are already sagging. Invesco has fallen 3.5% since its close on April 5, while Franklin Resources, one of the largest broker-sold fund groups, fell 2.65%. Two other fund company stocks that have lagged the S&P 500 index, which has fallen 0.2%, are Legg Mason and Waddell & Reed Financial, both of which fell 3.5%. Read the original story from InvestmentNews.