UPDATE 1-AT&T to post $1 bln loss in Q4 on pension, retirement plans rejig
January 20, 2017 at 08:40 AM EST
Jan 20 (Reuters) - AT&T Inc, the largest U.S. pay TV operator, said on Friday it would record a pre-tax loss of about $1 billion in the fourth quarter, related to an annual remeasurement of pension and post-employment benefit plans.