09:53 AM EST - Potash Corporation of Saskatchewan Inc. : reported fourth-quarter earnings of $0.78 per share ($683 million), surpassing the $0.56 per share ($508 million) earned in the same quarter of 2010. Earnings for full-year 2011 reached $3.51 per share ($3.1 billion), representing the second-highest total in company history and an 80% increase over the $1.95 per share ($1.8 billion) earned in 2010. Potash Corporation of Saskatchewan Inc.
shares T.POT are trading up $0.33 at $45.81.
