Musk has repeatedly stated that Tesla’s long-term value lies in autonomous driving and robotics, but its investors don't seem so sure. With sales declining and investor confidence wavering, the immediate question remains: does Musk still care about selling cars, or has he already moved on?

Elon Musk has long been the linchpin of Tesla's appeal, commanding unbelievable hype that has elevated the automaker to a stellar stock position while giving it cultural staying power. But the marriage is getting ugly.