10,000 Argus Group shares traded on the Bermuda Stock Exchange yesterday to close unchanged at $3.40.Shares of BF&M also traded but ended the day unchanged. 2,600 shares changed hands to close at $16.00.And Butterfield Bank traded 3,000 shares — with no change in share price.Overall, the BSX closed unchanged 1,068.81.15,600 shares traded worth BD$79,290.00.