A total of 200,000 shares in Argus Group Holdings Ltd, worth $518,600, were traded on The Royal Gazette/BSX Index.Shares of Argus were down three cents, or 1.1 per cent, at $2.65.Meanwhile, on the New York Stock Exchange, shares of Butterfield Bank were down 32 cents, or 1.25 per cent, at $25.20.The Royal Gazette/BSX Index was down 0.6 of a point, or 0.03 per cent, at 1,827.9, while the BSX Insurance Index was down 13.51, or 0.91 per cent, at 1,465.79.