Mammoth Energy Services (NASDAQ:TUSK) reported Q2 losses of $(0.09) per share, missing the analyst consensus estimate of $0.10 by 190 percent. This is a 325 percent decrease over earnings of $0.04 per share from the same period last year. The company also reported quarterly sales of $75.43 million, missing the analyst consensus estimate of $86.07 million by 12.36 percent, a 15.89 percent decrease over sales of $89.68 million the same period last year.