Shares of Argus Group Holdings Ltd fell seven cents, or 3.1 per cent, to $2.18, after 89,000 traded on The Royal Gazette/BSX Index.There was also trading in 60 shares of Somers Ltd, but with no change to the closing price of $15.In New York, shares of Butterfield Bank were down 53 cents, or 3.02 per cent, at $17.03.The Royal Gazette/BSX Index was down 1.4 points, or 0.09 per cent, at 1,502.26, while the BSX Insurance Index was down 33.3 points, or 2.58 per cent, at 1,255.64.