This one-day volume growth resulted in a record-breaking increase of 239%, as compared to the 65-Day Volume Moving Average. USNA's total volume now sits at 440K. The -2.23% price change was insignificant, leaving USNA's price at $31.96. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 12 similar cases, 7 of which were successful. Based on this data, the odds of success are +58%.