elon musk standing in front of a cybertruck
Elon Musk standing in front of a Cybertruck.
  • Tesla's stock price slumped 8% shortly after the opening bell Thursday.
  • The carmaker's posted weaker-than-expected third-quarter earnings and revenue numbers.
  • CEO Elon Musk's warnings about higher interest rates and delayed production of the Cybertruck sparked the sell-off.

Tesla's stock price fell Thursday as CEO Elon Musk's warnings about higher interest rates and delayed production of the Cybertruck sparked a sell-off.

Shares had dropped just under 8% by 10 a.m. Eastern Time – putting the carmaker on course for a $65 billion market capitalization wipeout at the closing bell, by Insider's calculations.