Trader Brian Jones on Twitter: "S&P at a 52 week low. Which means if you bought an s&p index one year ago. At one point you were up 20% but if you didn't sell you lost it all back. https://t.co/ax72EleWUY" / Twitter

S&P at a 52 week low. Which means if you bought an s&p index one year ago. At one point you were up 20% but if you didn't sell you lost it all back.