definiens: means the Person ( or, if so elected by the Holder, the Parent Entity ) formed by, resulting from or surviving any Fundamen tal Transaction or the Person ( or, if so elected by the Holder, the Parent Entity ) with which such Fundamental Tran saction shall have been entered into . ( k ) means any day on which the Common Stock is traded on the Principal Market, or, if the Principal Market is not the prin cipal trading market for the Common Stock, then on the principal securities exchange or securities market on which t he Common Stock are then traded ; provided that shall not include any day on which the Common Stock are scheduled to trade on such exchange or market for less than 4.5 hours or any day that the Common Stock are suspended from trading during the final hour of tr ading on such exchange or market ( or if such exchange or mar ket does not designate in advance the closing time of trading on such exchange or market, then during the hour en ding at 4:00:00 p.m., New York time )