This one-day volume growth resulted in a record-breaking increase of 256%, as compared to the 65-Day Volume Moving Average. HCA's total volume now sits at 5.4M. The -0.31% price change was insignificant, leaving HCA's price at $427.71. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 8 similar cases, 5 of which were successful. Based on this data, the odds of success are +63%.