Tesla shows no sign of improvement in May sales data

Tesla CEO Elon Musk's big government adventure appears to be at an end. As promised in April, Musk has returned his attention to his car company, which is facing serious headwinds. In the first quarter of the year, Tesla sold tens of thousands fewer electric vehicles than it did the year before, despite a rise in worldwide EV sales. Data from April looked even worse, with substantial sales declines in Europe and China. May's numbers don't look much better.

Although Tesla only publishes...