Tesla burnt $ 1 billion in Q1 and Musk finds analysts' questions 'boring'

On the conference call, Musk said Tesla is poised to surpass all rivals in manufacturing

The earnings report started optimistically enough, with Elon Musk forecasting an end to Tesla Inc.’s cash-burning days after blazing through another $1 billion last quarter.

But by the end of Tesla’s first-quarter conference call, Musk was berating analysts for asking “boring” questions, the shares had plunged and any shred of predictability was out the window.

Musk, 46, has built up a showman’s reputation as the founder and chief executive officer of Tesla, calling on true believers to help him overcome the “haters” who question his company’s ability to usher in an electric-vehicle age on an ambitious timetable. His performance Wednesday revealed his