This one-day volume growth resulted in a record-breaking increase of 287%, as compared to the 65-Day Volume Moving Average. PRLB's total volume now sits at 953.5K. The -0.12% price change was insignificant, leaving PRLB's price at $33.36. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 14 similar cases, 10 of which were successful. Based on this data, the odds of success are +71%.