Charter Communications (CHTR) has managed to keep up with Apple’s year-to-date performance. Furious buybacks since 2016 have helped keep the stock bullish. Strong upside potential and a parabolic structure are also driving CHTR’s surprising growth. Charter Communications, Inc. (NASDAQ:CHTR) is giving Apple (NASDAQ:AAPL) a run for its money. The telecommunications company is up by around…