The Oct. 19, Page 6 Viewpoint should have said that since early 2009, per-share stock prices at Celanese Corp., Dow Chemical Co., ICO Inc., PolyOne Corp. and Spartech Corp. have increased 350-700 percent. Prices at A. Schulman Inc., DuPont Co., Eastman Chemical Corp. and Westlake Chemical Corp. are up 85-215 percent, and at Ferro Corp., prices are up more than 900 percent in the same comparison.
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