There was more significant trading activity in the shares of Butterfield Bank on an otherwise quiet day on the Bermuda Stock Exchange (BSX).The bank finished the day where it started, on $1.50, as 52,000 shares changed hands. In Thursday trading, more than 120,000 Butterfield shares changed hands as the price dipped 10 cents.No other domestic board issues traded as The Royal Gazette / BSX Index closed the day unchanged on 1,243.69.Volume was 52,000 shares and turnover was $78,000.The BSX Insurance Index fell 18 points, or 1.92 percent, to close on 920.