Comcast Corp. added 315,000 high-speed Internet service customers during the third quarter, surpassing analysts' estimates for subscriber growth and boosting the company's earnings.
The gains more than offset Comcast's loss of 81,000 cable television customers during the July-through-September period. Still, that marked the Philadelphia cable giant's best third-quarter retention of TV subscribers in seven years.
Wall Street closely monitors subscriber trends to gauge the overall health of the company — and the entire pay-TV industry.
Analysts have been watching for evidence that consumers have been cutting the cable cord — or just switching to another...