This four-day volume growth resulted in a record-breaking increase of 109%, as compared to the 65-Day Volume Moving Average. CNA's total volume now sits at 1.1M. The -2.26% price change was insignificant, leaving CNA's price at $47.11. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 27 similar cases, 14 of which were successful. Based on this data, the odds of success are +52%.