 New York-based MT Bank Corp. announced Monday an agreement to buy Connecticut-based Peoples United Financial Inc. in an all-stock deal valued at 7.6 billion. Under terms of the deal, Peoples United shareholders will receive 0.118 MT shares for each Peoples United share they own, which based on Fridays stock closing prices values Peoples United shares at 17.70 each, or a 12.9 premium. 