6. Vanguard Natural Resources (VNR - Get Report) develops oil and natural gas properties in the U.S. It swung to a second-quarter profit of $3.9 million, or 19 cents a share, from a loss of $6.8 million, or 54 cents, a year earlier. Revenue multiplied to $25 million. The operating margin turned positive. Vanguard's stock trades at a forward earnings multiple of 12, a 13% discount to the oil and gas industry average. It's expensive based on book value and cash flow. Four analysts rate it "buy" and one ranks it "hold." A median target of $26.62 suggests a return of 3.7%.