Elon Musk is on the warpath. Now the electric vehicle industry is no longer growing exponentially, he’s pivoting towards robotics having sacked more than a tenth of his workforce, shelved plans to build a low-cost car and fired his head of fast charging.

Elon Musk shared the stage at Tesla's investor day in Texas with 16 executives who gave detailed presentations on the company's technology and growth plans, then lined up behind their boss in a show of solidarity.