Trader Brian Jones on Twitter: "With S&P futures down 16 so close to the open. You knew to short because that was the signal that the S&P failed at the 50 sma. Now it's down 47. $$$$$$$$$$$$$$$" / Twitter

With S&P futures down 16 so close to the open. You knew to short because that was the signal that the S&P failed at the 50 sma. Now it's down 47. $$$$$$$$$$$$$$$