BOSTON--(BUSINESS WIRE)--American Tower Corporation (NYSE: AMT) announced that its board of directors has declared its quarterly cash distribution of $0.42 per share on shares of the Company’s common stock. The distribution is payable on April 28, 2015 to such stockholders of record at the close of business on April 10, 2015. About American Tower American Tower is a leading independent owner, operator and developer of communications real estate with a global portfolio of over 75,000 communicati