Elon Musk isn’t having a good month so far, despite the fact that he didn’t have a good March either. Since April began, Tesla (TSLA) stock has been sharply trending downward, falling more than 18%.

While speaking in Green Bay, Wisconsin, on Sunday, Elon Musk was asked ... “We’ve made a lot of progress but there’s still a tremendous amount of work to do,” Musk continued.