Argus dropped 2 cents (.48 percent) on the Bermuda Stock Exchange yesterday, trading 10,900 shares to close at $4.10.Bermuda Aviation Services traded 3,600 shares to close at $3.10 with no change in stock price.Ascendant Group traded 2,100 shares to close at $13.20 with no change and Butterfield Bank traded 300 shares to close at $1.25 with no change.Overall, the BSX closed at 1086.55, down .36 points (.03 percent) with 16,900 shares trading worth $84,213.