The appliance retailer has exhibited record-breaking volumes the past 11 days, with an average daily volume spike of 344% above the expected 65-day average. The -0.29% price change was insignificant, leaving GTLS's price at $198.59. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 6 similar cases, 6 of which were successful. Based on this data, the odds of success are +90%.