Shares of cable, internet, and telephone services provider Charter (NASDAQ:CHTR) fell 16.5% in the afternoon session after the company reported fourth-quarter results with adjusted EBITDA below expectations, leading to an EPS miss vs. analysts' expectations. The residential video subscriber count was in line, while internet subscribers missed by a bit. On the other hand, revenue beat by a very small amount. Overall, this was a mixed but mediocre quarter for Charter.