Dow Corning Corp. announced sales of $2.69 billion and net income of $149 million for the first half of 2013. Dow Corning’s year-to-date sales and adjusted net income were down 13% and 9%, respectively, compared to 2012. Adjusted net income for 2013 excluded restructuring expenses. “Significant oversupply and high raw materials costs continued to challenge the performance of our silicones segment in the first half of the year,” J. Donald Sheets, Dow Corning’s executive vice...