Potash Corp (NYSE:POT), CF Industries (NYSE:CF), Mosaic (NYSE:MOS), Intrepid Potash (NYSE:IPI), Agrium (NYSE:AGU) in 2010

The fertilizer sector was among one of the hottest in 2010, largely on the increased price of corn, although other grains were helpful as well. Companies like Potash Corp (NYSE:POT), CF Industries (NYSE:CF), Mosaic (NYSE:MOS), Intrepid Potash (NYSE:IPI) and Agrium (NYSE:AGU) pushed up on expectations the higher margins would give farmers extra capital to acquire more fertilizers.

Mosaic ended the year at $76.36, gaining $0.53 on December 31, up 0.70 percent. The company had a 52-week trading range of $37.68 to $76.80. They ended the year with a market cap of $34.03 billion.

Potash Corp closed the year out at $154.83, rising $2.31 on the last trading day, up 1.51 percent. The trading range for 2010 was from $83.85 to $155.04. They ended the year with a market cap of $46.09 billion.

CF Industries finished off the year at $135.15, dropping $1.52 on Friday, a loss of 1.11 percent. The 2010 trading range for them was $57.56 to $138.74. They closed off the year with a market cap of $9.61 billion.

Intrepid Potash ended 2010 at $37.29, up $0.44 on the final trading day of the year, increasing 1.19 percent. Their trading range for the year was $19.08 to $37.65. Their market cap heading into 2011 is $2.80 billion.

Agrium finished 2010 at $91.75, gaining $0.07, or 0.08 percent on the last day of the year. Their 52-week trading range was $47.96 to $92.56. Their market cap at the end of the year was $14.50 billion.