The drone stock pulled back after a guidance cut.Shares of AeroVironment (AVAV +0.46%) were among the losers last month as the drone-maker posted a disappointing second-quarter earnings report and cut its guidance for the full year.Later in the month, the stock recouped some of those losses on favorable analyst commentary and as the Federal Communications Commission (FCC) announced a ban on some foreign drones, favoring domestic companies like AeroVironment.By the end of the month, the stock was down 13% ac ...