This four-day volume growth resulted in a record-breaking increase of 86%, as compared to the 65-Day Volume Moving Average. HCA's total volume now sits at 2.2M. The -5.50% price change was insignificant, leaving HCA's price at $363.23. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 6 similar cases, 4 of which were successful. Based on this data, the odds of success are +67%.