Butterfield Bank and Ascendant Group Ltd were the only domestic-board companies to trade on the Bermuda Stock Exchange on Christmas Eve.Butterfield remained unchanged on $1.26, as 42,300 shares changed hands. Ascendant closed unchanged on $11.56 after 20 shares traded.The Royal Gazette / BSX Index ended Monday unchanged on 1,078.91 before closing for the past two days for the Christmas and Boxing Day holidays.Volume totalled 42,965 shares, while turnover topped $60,000.