ozgurcankaya/E+ via Getty Images Investment thesis My previous bullish thesis about Crown Castle (NYSE:CCI) aged well as the stock's return since April was in line with the broader market. Today I want to update my thesis in light of the upcoming Q2 earnings release planned for July 17.  I remain optimistic about CCI before the Q2 earnings release because two previous quarters were above consensus estimates from revenue and EPS perspectives. The company recently upgraded its full-year FFO guidance as a  ...