The appliance retailer has exhibited record-breaking volumes the past 9 days, with an average daily volume spike of 105% above the expected 65-day average. The -0.75% price change was insignificant, leaving SPMB's price at $21.16. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 24 similar cases, 13 of which were successful. Based on this data, the odds of success are +54%.