CF Industries Holdings, Inc. (CF) is poised to gain from higher nitrogen fertilizer demand in major markets and lower natural gas costs amid headwinds from softer nitrogen prices.The company’s shares have declined 4.1% over a year compared with a 25.3% decline of its industry. Image Source: Zacks Investment ResearchLet’s find out why this Zacks Rank #3 (Hold) stock is worth retaining at the moment. CF Gains on Healthy Nitrogen Demand, Lower Gas CostsCF Industries is benefiting from rising global demand for ...