Comcast’s (CMCSA) shares have lost 0.8% year to date against the Zacks Consumer Discretionary sector’s growth of 10.9%. The stock has also underperformed the Zacks Cable Television industry and its peers like Naspers (NPSNY) , WideOpenWest (WOW) , and Charter Communications (CHTR) .In the same time frame, shares of NPSNY, WOW and CHTR have gained 33.8%, 33.3% and 1.5%, respectively, against the industry’s decline of 0.5%. This underperformance of CMCSA’s shares can be attributed to sluggish growth in Reside ...