AT&T Inc. (NYSE:T) is one of the most promising stocks under $100. On October 7, AT&T and Boldyn Networks announced that they had expanded cellular connectivity for AT&T riders in the New York City subway system, specifically in the Joralemon Street tunnel. The expansion marks an early step in a major wireless upgrade for Brooklyn’s transit system. AT&T will be the first carrier to provide wireless connectivity to its customers in these newly wired tunnels. The expansion is currently live in the Joralemon ...