GSI Group Inc. and Excel Technology Inc. have entered into a definitive agreement for GSI to acquire Excel in an all-cash transaction for $32.00 per share, or approximately $360 million, before fees and transaction costs. The offer price represents a 30.2% premium to the average Excel closing share price over the last 30 trading days. The acquisition will be effected through a cash tender offer for all outstanding shares of Excel common stock at a price of $32.00 per share, followed by a sec...