Early investors in Uber and Airbnb, though they remain private companies, have valued them at stratospheric multiples based largely on the notion that Uber will transform and dominate local transportation and Airbnb will revolutionize the hotel industry.

Like or loathe Donald J. Trump, you have to give him this: He's done more to shine a spotlight on the loopholes and fundamental unfairness of the tax code than any other American president.

For every Tesla or Uber, there's a Valeant Pharmaceuticals or Theranos - two story stocks that seduced an astounding array of prominent investors and supporters based on stories that did turn out to be too good to be true.

James B. Stewart Quotes