Argus Group Holdings Ltd fell by nine cents, or 3.3 per cent, to $3.47 after 10,000 shares changed hands on The Royal Gazette/BSX Index.In New York, shares of Butterfield Bank were up 11 cents, or 0.36 per cent, at $31.04.The Royal Gazette/BSX Index was down 1.80 points, or 0.09 per cent, at 2,061.55, while the BSX Insurance Index was up 3.49 points, or 0.21 per cent.