How The GDPR's Data Portability Rules Could Affect Client Churn By: Benzinga via Benzinga May 21, 2018 at 16:46 PM EDT Last month, the U.S. Justice Department was found to be investigating AT&T Inc. (NYSE: T) and Verizon Communications Inc. (NYSE: VZ) ... Read More >> Related Stocks: AT&T Inc Alphabet-A Alphabet-C Amazon.com Apple Bank of America Bio-Techne Corp Facebook JPMorgan Chase & Co Pandora Media Inc Spotify Technology S.A. Verizon Communications Wal-Mart Stores, Inc.