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Investors in Koppers Holdings (NYSE:KOP) have unfortunately lost 26% over the last year [Yahoo! Finance]

Koppers Holdings Inc. Koppers Holdings Inc.  (KOP) 
Last koppers holdings inc. koppers holdings inc. earnings: 2/27 08:00 am Check Earnings Report
PDF But if you buy individual stocks, you can do both better or worse than that. Unfortunately the Koppers Holdings Inc. NYSE:KOP ) share price slid 26% over twelve months. [Read more]