The Bermuda Stock Exchange ended the week up 13.52, or 1.16 percent, at 1,161.69.Butterfield Bank declined a cent to $1.39 as 284,653 shares changed hands.LOM (Holdings) fell 5 cents, to close at $2.45 as 4,500 of its shares traded.Argus Group rose 31.4 percent for the week, ending at $4.73 on a volume of 1,583 shares.BF&M shares were unchanged at $16,30 as 2,200 changed hands.