This one-day volume growth resulted in a record-breaking increase of 207%, as compared to the 65-Day Volume Moving Average. PRLB's total volume now sits at 635.6K. The +0.77% price change was insignificant, leaving PRLB's price at $37.85. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 15 similar cases, 11 of which were successful. Based on this data, the odds of success are +73%.