PER $ Volumes In (DVI) peaked on 8/30 & 9/3 (Short Term 12 & 25 PDS) for SP 500 constituents. They have been declining since and turned negative on Wednesday 9/18. Price Momentum via PER-MO peaked on 9/13. $'s lead both price momentum and price. Price moment lags dollars but leads price. PER-MO is confirming the negative flow of dollars. Bottom Line: If these patterns continue, price will be corrective into October and it is likely price retreats to the 8/30-9/3 area at a minimum.