Watlington Waterworks fell 11 percent, or $1.65 on the Bermuda Stock Exchange last week, closing at $13.30 as 1,000 shares traded.KeyTech and Ascendant Group also declined.KeyTech fell 7.3 percent for the week to close Friday at $5.56 and Ascendant dropped 3.2 percent to close at $12 as 7,541 shares traded.And some 1,852,169 Butterfield Bank shares changed hands last week, the price closing unchanged again at $1.23.Overall the BSX closed out the week down 0.75 percent, or 8.04, at 1,060.56.