Last Thursday, March 9, 2017, the bull market celebrated its eighth birthday. During that eight-year period, the S&P 500 Index tripled in value including dividends, producing a total return of 314% (19.2% annualized) while rising 250% in price. So how much might the current bull have left in the tank? Given we are not seeing the warning signs that have historically signaled the ends of past bull markets, we would not be surprised if the current bull market celebrates its ninth birthday one year from now. This week, we look at some of our favorite bull market indicators.