Hologic (HOLX) is one of the stocks most watched by Zacks.com visitors lately. So, it might be a good idea to review some of the factors that might affect the near-term performance of the stock.Over the past month, shares of this medical device maker have returned +3.5%, compared to the Zacks S&P 500 composite's +0.9% change. During this period, the Zacks Medical - Instruments industry, which Hologic falls in, has gained 3.1%. The key question now is: What could be the stock's future direction?Although medi ...