Duke Energy (DUK) 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 electric utility have returned -5.3%, compared to the Zacks S&P 500 composite's +3.9% change. During this period, the Zacks Utility - Electric Power industry, which Duke Energy falls in, has gained 0.3%. The key question now is: What could be the stock's future direction?While m ...