Charter Communications Photo Illustration by Igor Golovniov/SOPA Images/LightRocket via Getty Images Charter shares jumped as much as 12% in early trading Friday after the company reported a rare uptick in video subscribers and fewer broadband losses than expected in the October-to-December quarter. In the quarter ended December 31, Charter added 44,000 video customers, compared with a loss of 123,000 in the year-earlier quarter. The quarterly gain was the first in six years, bucking a long cord-cutting trend that has disrupted longstanding business models across the media sector.