Shares of Argus Group Holdings Ltd improved by 25 cents, or 9.6 per cent, to $2.85 after 1,550 traded on The Royal Gazette/BSX Index.There was also trading in 300 shares of BF&M Ltd, with no change to the closing price of $20.50.In New York, shares of Butterfield Bank were down nine cents, or 0.25 per cent, at $36.26.Separately, the bank said it will release its fourth quarter and full year 2019 financial results following the close of the New York Stock Exchange on February 12.The Royal Gazette/BSX Index was up five points, or 0.21 per cent, at 2,373.44. The BSX Insurance Index was up 1.52 points, or 0.09 per cent, at 1,715.52.