American Tower (AMT) Declines More Than Market: Some Information for Investors

American Tower (AMT) declined 2.19% on September 30, 2026, underperforming the S&P 500's 0.25% loss. The wireless communications infrastructure company has fallen 4.93% over the past month. While earnings forecasts show modest growth (2.16% EPS increase and 2.06% revenue growth for the upcoming quarter), AMT trades at a premium valuation with a Forward P/E of 15.07 versus its industry average of 11.85. The stock holds a Zacks Rank of #3 (Hold) with unchanged consensus estimates over the last 30 days.