Shares of Argus Group Holdings Ltd fell by 12 cents, or 3.8 per cent, to $3 after 5,004 traded on The Royal Gazette/BSX Index.In New York, shares of Butterfield Bank were up 93 cents, or 2.62 per cent, at $36.48.The Royal Gazette/BSX Index was down 2.4 points, or 0.1 per cent, to 2,350.92, while the BSX Insurance Index was up 16.62 points, or 0.97 per cent, at 1,737.11.