Butterfield Bank dropped 6 cents (4.58 percent) on the Bermuda Stock Exchange last week, trading 90,886 shares to close at $1.25. Ascendant Group rose 10 cents (.77 percent) with 3,379 shares trading to close at $13. Butterfield Preferred traded 35 shares with no change in share price to close at $1230. Argus Group traded 20,000 shares with no change in share price to close at $3.75.Overall, the BSX closed at 1069.18 for the week, down 27.56 points (2.57 percent), trading 114,265 shares worth BD$233,176.60 and 775 US shares worth US$49,044.