Companies including Hershey ( HSY), J.M. Smucker ( SJM), Panera Bread ( PNRA), McCormick ( MKC), ConAgra Foods ( CAG), Kellogg ( K) and Sara Lee ( SLE) have all said their financial results were impacted by higher commodity costs on everything from wheat and sugar to coffee beans and fuel, and implemented price increases to help offset those costs. -- Written by Miriam Marcus Reimer in New York. >To contact the writer of this article, click here: Miriam Reimer. >To follow the writer on Twitter, go to http://twitter.com/miriamsmarket. >To submit a news tip, send an email to: email@example.com.