He writes then that “Tesla has suspended vehicle purchases using Bitcoin," Musk said. "We are concerned about rapidly increasing use of fossil fuels for Bitcoin mining and transactions

And a sequel to the decision by Musk, Tesla shares have now fallen 15% in value over the last week.

All-in-all, Forbes reports that Musk's losses from this week total $20 billion.

Grimes, who is dating Musk and also appeared on the SNL episode, was hospitalized after the show, having suffered a panic attack.