 Shares Domtar Corp. soared 13.6 toward a 2 12-year high, after the communication and packaging papers company announced Tuesday an agreement to be acquired by Paper Excellence in an all-cash deal with an enterprise value of 3.0 billion. Under terms of the deal, Paper Excellence will pay 55.50 for each Domtar share outstanding, representing a 17.1 premium to Mondays closing price. 