The appliance retailer has exhibited record-breaking volumes the past 11 days, with an average daily volume spike of 249% above the expected 65-day average. The +4.55% price change was insignificant, leaving UDN's price at $18.39. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 61 similar cases, 43 of which were successful. Based on this data, the odds of success are +70%.