Trader Brian Jones on Twitter: "My S&P trading system worked in December 2018 during that 20% correction and it will work again if we get a 50% crash this time by the end of this year like 2008-9. https://t.co/nXKNcfvvvt" / Twitter

My S&P trading system worked in December 2018 during that 20% correction and it will work again if we get a 50% crash this time by the end of this year like 2008-9.