Key TakeawaysCharter Communications beat profit and sales estimates as it lost fewer subscribers than expected.The cable TV, mobile, and internet service provider also posted a big jump in mobile customers.Shares surged in early trading Friday, but remained in negative territory for the year. Charter Communications (CHTR) shares surged Friday after the cable TV, mobile, and internet services provider reported better-than-anticipated results as it lost fewer subscribers than expected. The Spectrum parent pos ...