S&P 500 soon to have 505 listed shares By: Reuters: Company News August 10, 2015 at 18:51 PM EDT NEW YORK, Aug 10 (Reuters) - The Standard & Poor's 500 will soon contain 505 listed stocks, up from the current 502 listed stocks. Read More >> Related Stocks: Berkshire Hathaway Comcast Corp Discovery Communications Google, Inc. News Corporation Twenty-First Century Fox