Trader Brian Jones on Twitter: "Yesterday's action at the close tells you why my S&P Trading system is one of the greatest ever created. Impossible for me to know for sure that this Colossal Rally was coming today without the system." / Twitter

Yesterday's action at the close tells you why my S&P Trading system is one of the greatest ever created. Impossible for me to know for sure that this Colossal Rally was coming today without the system.