American Tower Corp. reported third-quarter FY21 revenue growth of 21.9 percent year-on-year to $2.45 billion, beating the consensus of $2.41 billion. Property revenue increased 19.2 percent Y/Y to $2.37 billion. Tenant Billings grew 15 percent to $235 million. Organic Tenant Billings increased 4.9 percent to $76 million. Earnings per share (EPS) of $2.49 was up from…