The Bermuda Stock Exchange ended the week down 8.68, or 0.76 percent, to finish at 1,132.08Butterfield closed down 4 cents, or 2.9 percent, to end Friday at $1.36 as 1,033,023 of the bank’s shares traded for the week.Argus rose 8.5 percent, closing Friday at $3.70 as 500 shares changed hands.West Hamilton Holdings jumped 43.2 percent, or $2.79, to close at $8.95 as 100 shares traded.And Ascendant Group ended the week at $11.75, up 1.7 percent, or 20 cents, on a volume of 1,970