Watlington Waterworks jumped 65 cents (4.88 percent) on the Bermuda Stock Exchange last week, trading 5,000 shares to close at $13.95.KeyTech also rose 25 cents (4.16 percent), trading 7,834 shares, to close at $6.25.Ascendant Group, Argus and Butterfield Bank also traded shares, closing at $12.15, $3.40 and $1.23, respectively, all with no change in share price.Overall, the BSX closed at 1,075.38, up 3.68 points (.34 percent), trading 252,862 worth $491,658.35