Butterfield Bank dropped four cents (3.44 percent) on the Bermuda Stock Exchange with 12,000 shares trading to close at $1.12. Ascendant Group also dropped, dipping five cents (.37 percent) with 3,200 shares trading to close at $13.20.Overall, the BSX slid 19.39 points (1.83 percent) to close at 1,038.14 with 15,200 shares trading worth BD$55,880.