* Buy 300 shares of United States Natural Gas Fund (UNG) with a limit of $40 and a protective sell stop at $36.90. Enter buy transaction after 10:30am ET. When I was growing up, I can recall that the official end of summer was signified by a Labor Day barbecue where we would gather and [...] SHARETHIS.addEntry({ title: "Strategy Lab: Screening for Losers", url: "http://www.thedisciplinedinvestor.com/blog/2008/08/27/strategy-lab-screening-for-losers/" });