Shares of American Tower Corporation (AMT) have declined marginally so far in today’s trading session despite stellar first-quarter results.Adjusted funds from operations (AFFO) per share, attributable to AMT common stockholders, of $2.79 beat the Zacks Consensus Estimate of $2.55 and climbed 9.8% year over year.Results reflect better-than-anticipated revenues, aided by revenue growth across its Property segment. American Tower recorded healthy year-over-year organic tenant billings growth of 5.4% and total ...