This one-day volume growth resulted in a record-breaking increase of 360%, as compared to the 65-Day Volume Moving Average. ALGN's total volume now sits at 6.3M. The +0.75% price change was insignificant, leaving ALGN's price at $143.63. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 8 similar cases, 7 of which were successful. Based on this data, the odds of success are +88%.