Amazon has tumbled 8% from its highs. Should you buy?
One of the hottest stocks in the S&P 500 is in a rare and sudden slump. Shares of Amazon have fallen more than 8 percent since its earnings miss in the last week of July, the very same week the now-$994 stock rose to an all-time high of $1083.31. That's the biggest pullback since last October, leaving investors with a simple yet somewhat complicated...