(PITTSBURGH, Pa.)Koppers Holdings Inc., a maker of wood treatment products and chemicals, said Wednesday it received a favorable ruling related to a civil lawsuit in Mississippi.READ MORE

(NEW YORK)Shares of Koppers Holdings soared on Wednesday after UBS analysts upgraded the maker of wood treatment products and chemicals to "Buy" from "Neutral," saying higher oil prices will...READ MORE

(PITTSBURGH)Koppers Holdings Inc., which makes carbon compounds and treated wood products, said Thursday one of its subsidiaries reached an agreement for a long-term lease of storage facilitie...READ MORE

(PITTSBURGH)Koppers Holdings Inc. said Wednesday its board declared a regular quarterly dividend of 22 cents. The company, which makes carbon compounds and treated wood products, said the divi...READ MORE

(PITTSBURGH)Koppers Holdings Inc. on Thursday reiterated its 2008 guidance after posting first-quarter results that exceeded the company's expectations. Koppers said it still expects to ea...READ MORE

(PITTSBURGH) A unit of Koppers Holdings Inc., which makes carbon compounds and treated wood products, said Friday it received a $20 million contract for railroad crossties. Koppers Inc., whic...READ MORE

Among the earnings stories for Wednesday, Feb. 20, from AP Financial News: LONDON (AP) _ Shares of Alliance & Leicester PLC plunged Wednesday after the British mortgage lender repo...READ MORE