American Superconductor (NASDAQ:AMSC) reported quarterly earnings of $0.27 per share which beat the analyst consensus estimate of $0.04 by 575 percent. The company reported quarterly sales of $54.471 million which beat the analyst consensus estimate of $50.567 million by 7.72 percent. This is a 60.19 percent increase over sales of $34.004 million the same period last year.