Argus Group Holdings Ltd fell 9.63 percent (48 cents) to $4.50 on The Bermuda Stock Exchange (BSX) yesterday.The insurer traded 1,715 shares during the day.Butterfield Bank also dropped 5.1 percent (seven cents) to $1.30 with $3,630 shares changing hands.BF&M Ltd declined 2.66 percent (40 cents) to $14.60 as 200 shares were transacted, while the Ascendant Group Ltd also dipped 0.35 percent (five cents) to $14.10 with 200 shares traded.Overall the Index closed 45.46 points (3.83 percent) lower at 1,141.33 as 86,087 shares worth BD$124,758.65 and 6,500 shares worth US$68,575 changed hands.The BSX Insurance Index rose six points (0.59 percent) to 1,023.