Butterfield Bank shares fell 3 cents, or 2.14 percent, to close at $1.37 on the Bermuda Stock Exchange yesterday. Some 17,129 shares changed hands.Ascendant group shares rose 19 cents, or 1.72 percent, to finish at $11.20.Some 4,000 Bermuda National shares changed hands closing unchanged at $12.25.Overall the BSX closed down 12.52 at 1,142.19