Plains All American Pipeline (PAA) 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.Shares of this oil and gas transportation and storage company have returned +4.6% over the past month versus the Zacks S&P 500 composite's +3.6% change. The Zacks Oil and Gas - Production Pipeline - MLB industry, to which Plains All American belongs, has gained 6.9% over this period. ...