Trader Brian Jones on Twitter: "Did well today. I didn't do any stock day trading today. But I told you last night short the s&p at the open it will definitely go negative. Dropped 120 points after the open. https://t.co/RNBxMW2RD0" / Twitter

Did well today. I didn't do any stock day trading today. But I told you last night short the s&p at the open it will definitely go negative. Dropped 120 points after the open.