Because of how well it represents the performance of the overall stock market, investors seem to always have their eyes on the S&P 500 index. This benchmark contains some of the largest and most profitable companies in the U.S. Despite its solid long-term track record, it has been under pressure in the past couple months due to economic worries.Some businesses in the S&P 500 have fared a lot worse. In fact, there's a consumer discretionary stock that's a tear-jerking 68% below its record (as of April 22). C ...