Argus Group fell 25 cents (7.35 percent) on the Bermuda Stock Exchange yesterday, trading 800 shares to close at $3.15.Butterfield Bank, BF&M, Ascendant Group and KeyTech all traded shares, closing at $1.25, $16, $11.50 and $5.75, all with no change in share price.Overall, the BSX closed at 1,068.50, down 4.51 points (.42 percent), trading 31,470 shares worth $355,514.25