If $SPX loses 2540 (R2) then i would consider going short because that would indicate a shift to selling imo, i know a long way to go before a good confirmed hard sell signal, but it could come fast. http://stockcharts.com/c-sc/sc?s=%24SPX&p=D&yr=0&mn=2&dy=0&i=p18698919231&r=1508411078996