AT&T reports $6.7 billion loss on hefty charges, iPhone costs

By Sinead Carew – AT&T Inc posted a $6.7 billion quarterly loss as it was weighed down by a hefty break-up fee for its failed T-Mobile USA merger and other big charges on top of costly subsidies for smartphones.

AT&T’s wireless service margin fell to 28.7 percent, based on earnings before interest, tax, depreciation and amortization, from 43.7 percent in the third quarter and...