The Guggenheim Insider Sentiment ETF (NFO) -- which is based on the Sabrient Insider Sentiment Index --  has beat the market since its  inception in 2006.  This article from TheStreet.com (originally published at Insider Monkey) tells you why . . .

Last week provided the start of another leg down in what has been an unpredictable stock market, and the market now appears to be in the midst of forming another bear flag. Since rolling over and selling off strongly in late April, the market has demonstrated all sorts of conflicting formations that have confounded trend traders and investors.