Here's What's Coming Up On PreMarket Prep For November 21 By: Benzinga via Benzinga November 21, 2017 at 07:27 AM EST On today's edition of PreMarket Prep, we're breaking down the ramifications of the AT&T Inc. (NYSE: T)-Time Warner Inc ... Read More >> Related Stocks: AT&T Inc Lowe's Companies Palo Alto Networks Inc Time Warner Urban Outfitters