AT&T's strong subscriber growth in its wireless business propelled its earnings past expectations, the company said, but the results were overshadowed by data showing early sign-ups for iPhone service fell short of forecasts. AT&T, the exclusive carrier of the iPhone in the U.S., said it had activated 146,000 subscriptions for the Apple device in the first two days following its June 29 launch.

AT&T Beats Street, iPhone Numbers Cast Shadow on Apple