Argus Group fell five cents (1.42 percent) on the Bermuda Stock Exchange yesterday, trading 450 shares to close at $3.45KeyTech traded 1,000 shares closing at $6 and Butterfield Preferred traded 15 shares closing at $1231, both with no change in share price.Overall, the BSX closed at 1,068.11, down .90 points (.08 percent), trading 1,450 shares worth BD$7,552.50 and 15 US shares worth US$18,498.33.