Griffis & Small has agreed to be acquired by CIBC (TSX: CM; NYSE: CM). Griffis & Small is a Houston-based energy advisory firm specializing in acquisitions and divestitures in the exploration and production (E&P) sector. The firm's team provides technical advice and represents E&P companies and private equity firms in the sale of undeveloped and producing assets in the U.S. The business will operate under the name CIBC Griffis & Small.