Realty Income Corp. (O) 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. Shares of this real estate investment trust have returned +8% over the past month versus the Zacks S&P 500 composite's +2.5% change. The Zacks REIT and Equity Trust - Retail industry, to which Realty Income Corp. belongs, has gained 4% over this period. Now the key question is: Where could the stock be head ...