Argus Group Holdings Ltd continued to fall on The Bermuda Stock Exchange (BSX) yesterday.The insurer traded 3,500 shares as it declined 4.58 percent (20 cents).Butterfield Bank also saw 50,600 common shares change hands, but its share price remained unchanged at $1.25.Bermuda Commercial Bank Ltd meanwhile transacted 100 shares however its share value held firm at $11.Overall the Index slipped 3.61 points (0.33 percent) to 1,094.97 with 54,200 shares worth $75,005 traded.The BSX Insurance Index also dropped 16 points (1.6 percent) to 982.