Shares of Butterfield Bank were down 15 cents, or 0.42 per cent, at $35.24 on the New York Stock Exchange.It was another quiet day on The Royal Gazette/BSX Index, with no trading. The index closed unchanged at 2,336.94. Meanwhile, the BSX Insurance Index was down 10.99 points, or 0.63 per cent, at 1,741.81.