DuPont delivers strong results in Second Quarter with earnings $1.37 per share, up 1 7 percent versus $1.17 per share in the prior year. The following is a summary of business results for each of the company's reportable segments, comparing second quarter 2011 with second quarter 2010, for sales and pretax operating income (PTOI). All references to selling price are on a U.S. dollar basis, including the impact of currency.
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