Butterfield Bank shares fell 99 cents, or 3.75 per cent, to $25.42 on the New York Stock Exchange.The Royal Gazette/BSX Index had a quiet day on with no trades. The index closed unchanged at 1,866.27 points.The BSX Insurance Index was down 19.07 points, or 1.32 per cent, at 1,427.84.Meanwhile, One Communications Ltd repurchased 36,100 of its common shares at an average price of $3.90 for immediate cancellation last month. This was done pursuant to its share repurchase programme.Butterfield Bank purchased for treasury 470,000 of its shares last month, at an average price of $24.81 per share.