We're 5 years into 20-year bull stock market: Pro By: CNBC.com News August 25, 2014 at 13:05 PM EDT As the S&P 500 topped 2,000 for the first time, U.S. Trust CIO Chris Hyzy says that the stock market is just five years into a 20-year bull market. Read More >> Related Stocks: Twitter, Inc.