One stock that might be an intriguing choice for investors right now is HCA Healthcare, Inc. (HCA) . This is because this security in the Zacks Medical – Hospital space is seeing solid earnings estimate revision activity, and is in great company from a Zacks Industry Rank perspective.This is important because, often times, a rising tide will lift all boats in an industry, as there can be broad trends taking place in a segment that are boosting securities across the board. This is arguably taking place in th ...