The Bermuda Stock Exchange ended the week down 0.24 percent, or 2.83, at 1,148.17Some 92,424 Butterfield shares traded, the bank’s shares ending Friday at $1.40.KeyTech Ltd shares declined 25 cents to $5.75 as 2,000 shares changed hands.Ascendant Group shares ended the week at $11 as some 11,262 shares changed hands.BF&M Ltd shares ended the week at $16.30 as 4,700 shares changed hands.