KeyTech shares rose 3.44 percent ($0.20) in trading on the Bermuda Stock Exchange yesterday to close at $6.00.Shares of Watlington Waterworks also rose 3.44 percent ($0.50) closing at $15.00 a share.Bank of Butterfield shares jumped 2.85 percent ($0.04) to close at $1.44 and Ascendant Group shares closed up 1.73 percent ($0.20) at $11.70.Overall, the BSX closed up 23.53 points (2.04 percent) at 1,174.70.