A federal investigation into insider trading has cast a spotlight on two well-known mutual fund companies and the prevalent industry practice of using outside sources for investment research — a probe that recalls the market-timing scandals of several years ago.
No charges have been brought against Janus Capital Group Inc. /quotes/comstock/13*!jns/quotes/nls/jns (JNS 10.44, -0.04, -0.38%) and Wellington Management Co., which were asked for information from investigators in connection with their dealings with a so-called expert network firm. Read about the request made to Janus and Wellington.
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