This four-day volume growth resulted in a record-breaking increase of 108%, as compared to the 65-Day Volume Moving Average. SMP's total volume now sits at 235.8K. The -1.92% price change was insignificant, leaving SMP's price at $28.09. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 12 similar cases, 7 of which were successful. Based on this data, the odds of success are +58%.