Tennant (NYSE:TNC) reported quarterly earnings of $0.83 per share which missed the analyst consensus estimate of $1.33 by 37.59 percent. This is a 44.3 percent decrease over earnings of $1.49 per share from the same period last year. The company reported quarterly sales of $324.000 million which missed the analyst consensus estimate of $326.100 million by 0.64 percent. This is a 1.69 percent increase over sales of $318.600 million the same period last year.