This one-day volume growth resulted in a record-breaking increase of 217%, as compared to the 65-Day Volume Moving Average. PRLB's total volume now sits at 584.3K. The -0.67% price change was insignificant, leaving PRLB's price at $50.55. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 16 similar cases, 12 of which were successful. Based on this data, the odds of success are +75%.