This one-day volume growth resulted in a record-breaking increase of 238%, as compared to the 65-Day Volume Moving Average. ZH's total volume now sits at 1M. The +2.72% price change was insignificant, leaving ZH's price at $4.15. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 13 similar cases, 11 of which were successful. Based on this data, the odds of success are +85%.