Cable company Charter Communications finally made it back into the green zone of the SIA S&P 100 Index Report in July after spending over 18 months in the red zone. Its favored run didn’t last long, however. On Friday, after the company’s quarterly results fell short of expectations on the sales side, CHTR dropped 9.6% to cap off a 14.1% decline for the week. The shares plunged 22 spots on the day in the relative strength rankings to 35th place, exiting the green zone and dropping into the Yellow Neutral Zone.