REUTERS/Steve Marcus
Jeremy Siegel used a quote from Warren Buffett to explain the problem behind Tesla's epic stock price decline."It's far better to buy a wonderful company at a fair price, than a fair company at a wonderful price," Buffett once said."The problem with Tesla was always the price, and I think that's the bottom line," Siegel said.Tesla's epic stock price decline has been jarring to many investors, but not...