Reported quarterly highs and lows of American Tower common stock (NYSE) for 2008 and 2007: 2008: Quarter ended March 31 high $42.72 low $32.10; June 30 high 46.10 low 38.53; September 30 high 43.43 low 31.89; December 31 high 37.28 low 19.35. On February 13, 2009, the closing price of common stock was $28.85 per share on the NYSE.