BF&M shares fell 2.57 percent, or 45 cents to close at $17.05, as 100 shares traded yesterday on the Bermuda Stock Exchange.Butterfield Bank shares closed unchanged at $1.41.Ascendant Group shares rose 5 cents or 0.44 percent, to close at $11.25 as 5,400 changed hands.Watlington Waterworks shares rose 50 cents, or 3.22 percent to close at $16 as 1,100 traded.Overall the BSX closed down 2.22, or 0.19 percent at 1,172.29.