Trader Brian Jones on Twitter: "Well S&P was up 17 premarket and 14 after the bell. That makes 8 straight times that's it's been higher at least intraday on the first trading day on the month. But like sometimes unfortunately today they took the profit early." / Twitter

Well S&P was up 17 premarket and 14 after the bell. That makes 8 straight times that's it's been higher at least intraday on the first trading day on the month. But like sometimes unfortunately today they took the profit early.