The appliance retailer has exhibited record-breaking volumes the past 5 days, with an average daily volume spike of 257% above the expected 65-day average. The +1.84% price change was insignificant, leaving COLB's price at $27.03. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 28 similar cases, 17 of which were successful. Based on this data, the odds of success are +61%.