This chart shows the five-year daily average closing stock price from Sept. 16, 2009, to Sept. 15, 2014, adjusted for dividends and stock splits. Although there is a disenchanted stockholder, the CCI stock has more than doubled, rising from $31.36 to $79.54. It has always lagged behind AMT, which grew from $36.40 to $91.98. Until 2013, CCI led SBAC, but that stock has grown from $34, the lowest, to $106.85, which is the highest.