The Bermuda Stock Exchange closed the week up 14.01, or 1.21 percent, at 1,155.30.Butterfield Bank rose 1.5 percent to $1.39 as 21,100 of the shares traded.Bermuda National closed unchanged at $12.10 as 3,088 shares changed hands.West Hamilton was also unchanged at $8.95 as 100 shares traded.KeyTech rose 37 cents, or 6 percent for the week.The shares closed at $6.49 as 100 KeyTech shares changed hands.