Trader Brian Jones on Twitter: "How do we know there is Massive support at S&P 4500. Because last time it dropped there. BOOM! Fireworks went off. Massive Buy programs and the market zoomed up 3% in an effortless flash." / Twitter

How do we know there is Massive support at S&P 4500. Because last time it dropped there. BOOM! Fireworks went off. Massive Buy programs and the market zoomed up 3% in an effortless flash.