Enbridge (ENB) has recently been on Zacks.com's list of the most searched stocks. Therefore, you might want to consider some of the key factors that could influence the stock's performance in the near future.Over the past month, shares of this oil and natural gas transportation and power transmission company have returned -4.9%, compared to the Zacks S&P 500 composite's +3.6% change. During this period, the Zacks Oil and Gas - Production and Pipelines industry, which Enbridge falls in, has lost 1.9%. The ke ...