definiens: means ( i ) if the shares of Common Stock are not traded on any national orregional securities exchange or association or over - the - counter market, a business day or ( ii ) if the shares ofCommon Stock are traded on any national or regional securities exchange or association or over - the - countermarket, a business day on which such relevant exchange or quotation system is scheduled to be open forbusiness and on which the shares of Common Stock ( x ) are not suspended from trading on any national orregional securities exchange or association or over - the - counter market for any period or periods aggregatingone half hour or longer ; and ( y ) have traded at least once on the national or regional securities exchange orassociation or over - the - counter market that is the primary market for the trading of the shares of CommonStock . The term with respect to any security other than the Common Stock shall have acorrelative meaning based on the primary exchange or quotation system on which such security is listed ortraded