American Tower Corporation’s (AMT) extensive and geographically diversified communication real estate portfolio is going to benefit from increased investments by wireless carriers in 4G and 5G networks. Its expansionary efforts augur well for long-term growth, though customer concentration and high interest rates pose key concerns. What’s Aiding It? With the advancement in mobile technology, such as 4G and 5G networks and the proliferation of bandwidth- intensive applications, mobile data usage has increase ...