RESEARCH ALERT-Cowen starts Flowserve, Nuverra with outperform
November 20, 2013 at 00:41 AM EST
Nov 20 (Reuters) - : * Flowserve Corp : Cowen starts with outperform; price target $83 * Idex Corp : Cowen starts with market perform; price target $68 * Mueller Water Products Inc : Cowen starts with market perform; price