What the heck just happened to the stock of Uber Technologies. The ride sharing and food delivery platform reported this morning. Even though I thought the quarter looked pretty darn good.Wall Street clearly disagree with me as the stock plunged more than 5% today in response. Now, I've been a big backer of Uber for the past few years. I even recommended it in How to Make Money in Any Market and the stock's been a huge winner.It's up more than 50% for the year, even after today's pullback. Not bad, huh. So ...