This one-day volume growth resulted in a record-breaking increase of 211%, as compared to the 65-Day Volume Moving Average. GPI's total volume now sits at 513.5K. The +0.31% price change was insignificant, leaving GPI's price at $301.74. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 7 similar cases, 7 of which were successful. Based on this data, the odds of success are +90%.