Trader Brian Jones on Twitter: "What happened on the drop on January 27 was the market/ S&P stayed lower all day. Rallied a bit then failed when the 10 SMA and price collided. Only to break over the 10 at the open the next day and make a nice rally." / Twitter

What happened on the drop on January 27 was the market/ S&P stayed lower all day. Rallied a bit then failed when the 10 SMA and price collided. Only to break over the 10 at the open the next day and make a nice rally.