AT&T Is Investing $2 Billion On Improving Service In This State By: Benzinga via Benzinga March 19, 2015 at 13:46 PM EDT AT&T Inc. (NYSE: T) has invested nearly $2 billion over the past three years improving its service coverage in the state of ... Read More >> Related Stocks: AT&T Inc Sentinelone Inc Cl A Verizon Communications