Watlington Waterworks climbed 50 cents, or 3.2 percent, to $16 as 1,100 shares changed hands on the Bermuda Stock Exchange last week.KeyTech Ltd jumped ten cents, or 1.6 percent, to $6.30 as 1,700 shares changed hands.Ascendant Group Limited ended the week five cents, or 0.4 percent higher to $11.25 as 5,400 shares changed hands.Bermuda National Ltd was unchanged at $12 as 12,300 shares changed hands.Bank of NT Butterfield Preference Shares finished the week unchanged at $1,195 as ten shares changed hands.Argus Group Holdings Ltd was unchanged at $4.25 as 500 shares changed hands.BF&M Ltd fell $1.20, or 6.9 percent, to $16.30 as 8,200 shares changed hands.Butterfield Bank lost one cent, or 0.7 percent, to $1.39 as 268,712 shares changed hands.Overall, the BSX Index ended the week 10.86, or 0.93 percent, lower to 1,158.93.