"The price will be artificial, sitting on a throne of lies, and the eventual stampede for the exit by Softbank and others," he wrote in a Twitter thread.
Scott Galloway is a professor of marketing at NYU's Stern School of Business, bestselling author and well-known tech industry pundit.
Tesla's recent precipitous stock-price decline has led to some renewed speculation that it could be bought by a deep-pocketed tech firm.