AT&T took a $4.4 billion goodwill impairment charge related to its business-wireline unit, which is under pressure as business customers cut back on legacy voice services.
AT&T posts subscriber beat, but stock falls as company takes a big charge
AT&T took a $4.4 billion goodwill impairment charge related to its business-wireline unit, which is under pressure as business customers cut back on legacy voice services.