Argus Group fell 55 cents (14.86 percent) on the Bermuda Stock Exchange (BSX) yesterday, trading 1,300 shares to close at $3.15.KeyTech also fell one cent (.17 percent), to close at $5.80.Butterfield Bank jumped four cents (3.07 percent) to close at $1.34 and BF&M traded 500 shares to close at $16 with no change in share price. Bermuda Press Holdings also traded 500 shares to close at $8 with no change in share price.Overall, the BSX closed at 1,112.11, up 8.91 points (.81 percent), trading 70,908 shares worth $127,075.64.