The Cooper Companies is trading 17.81% down at $52.17 after September 9 earnings showed revenue below expectations and management cut its outlook. - CooperVision’s organic growth stalled as U.S. channel inventory reductions weighed on sales. - Fourth-quarter revenue and EPS guidance fell short of analyst forecasts. - Reuters reported the company lowered its annual adjusted-profit forecast, intensifying concerns about near-term contact-lens demand.