The appliance retailer has exhibited record-breaking volumes the past 16 days, with an average daily volume spike of 166% above the expected 65-day average. The -5.92% price change was insignificant, leaving NAC's price at $10.17. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 22 similar cases, 16 of which were successful. Based on this data, the odds of success are +73%.