whitebalance.oatt/E+ via Getty Images For the first time in what feels like over a year, fear is back in the markets, and back with it is irrationality. Investors have reacted sharply to earnings news this quar sending shares of high-quality companies down dramatically on the first hint that they aren't operating at perfection. Lyft (NASDAQ:LYFT) has been one of the big victims of this short-sightedness. Despite posting strong Q2 results, investors had an extremely negative view of the company's Q3 outlook ...