KeyTech jumped nine cents (1.81 percent) on the Bermuda Stock Exchange last week, closing at $5.05 with 7,000 shares trading. KeyTech’s market capitalisation now stands at $73.5 million.Meanwhile, the Argus Group dropped three cents (.80 percent), trading 25,400 shares to close at $3.72.Butterfield Bank traded 700 shares and Butterfield Preferred 30 shares, to close at $1.25 and $1,230, respectively, with no change in share price.Ascendant Group closed at $13, trading 300 shares with no change in share price.Overall, the BSX closed at 1070.59 for the week, up .57 points (.05 percent), trading 33,400 shares worth BD$135,113 and 630 US shares worth US$41,910.