Best and Worst Performing Stocks in August 2011 By: CNBC.com News August 31, 2011 at 17:00 PM EDT With August coming to an end Wednesday, here is a look at the best and worst performing stocks within the major U.S. averages. Read More >> Related Stocks: Coca-Cola Company Johnson & Johnson McDonald's Corp Procter & Gamble Verizon Communications Wal-Mart Stores, Inc.