This one-day volume growth resulted in a record-breaking increase of 302%, as compared to the 65-Day Volume Moving Average. BIRK's total volume now sits at 8.1M. The -1.60% price change was insignificant, leaving BIRK's price at $53.43. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 7 similar cases, 6 of which were successful. Based on this data, the odds of success are +86%.