Why Elon Musk faces a $500b 'moment of truth' this week

For Ives, these three-monthly investor calls have become a barometer of where Tesla is heading. Previous calls, during which Musk has been dismissive of questions, declined to give solid guidance and generally treated the calls as a chore and a chance to trade in-jokes with his inner circle, have left a bad taste in Ives' mouth. Two key issues "The moment of truth has now arrived for Elon Musk and Tesla. Next week's conference call and messaging one of the most important moments in the company's history in our view," Ives says. "While we have seen much more tenuous times…