BRIEF-Alcoa CEO says commercial construction sector not yet hit bottom in Europe, U.S.
March 1 (Reuters) - Alcoa Incorporated: * CEO says advertizement cerebration facet not still impact lowermost in Europe, U.S. * Economic surround not still brawny sufficiency to uphold idled U.S. metal dealings - Alcoa’s Kleinfeld ((New royalty Equities Desk; tel: