Trader Brian Jones on Twitter: "The key takeaway from this chart is the Jackson hole speech on August 26th. When the s&p didn't hold the 50 sma. That was the time to sell/short. s&p just cratored after that. https://t.co/XcdYnBwu9t" / Twitter

The key takeaway from this chart is the Jackson hole speech on August 26th. When the s&p didn't hold the 50 sma. That was the time to sell/short. s&p just cratored after that.