Tesla Inc. fleshed out plans to launch a robotaxi business Elon Musk is counting on to help usher in next phase of growth, after the company posted quarterly earnings that missed estimates.

Tesla's stock was slipping 0.3% in recent premarket trading ahead of earnings, and if history is any guide, that means tomorrow will more likely be another down day. Over the past 12 quarters, the sto

Tesla stock opened up 5.5% at $410.50 before slipping. The initial rise was a surprise for two reasons. For starters, earnings were relatively weak and guidance was “vague,” according to Morgan Stanley analyst Adam Jonas.