Butterfield Bank fell two cents (1.60 percent) on the Bermuda Stock Exchange yesterday, trading 8,200 shares to close at $1.23.Ascendant Group traded 50 shares and KeyTech traded 60 shares to close at $12.75 and $5.55, respectively, both with no change in share price.Overall, the BSX closed at 1,074.75, down 9.48 points (.87 percent), trading 8,310 shares worth BD$11,035 and 54 US shares worth US$5,408.89.