This one-day volume growth resulted in a record-breaking increase of 363%, as compared to the 65-Day Volume Moving Average. SMP's total volume now sits at 573.4K. The +2.19% price change was insignificant, leaving SMP's price at $40.63. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 14 similar cases, 10 of which were successful. Based on this data, the odds of success are +71%.