Bank of Butterfield shares dropped 3 percent in trading on the Bermuda Stock Exchange yesterday losing $0.05 to close at $1.40 a share. nearly 60,000 shares changed hands. The bank’s preferred shares also gained 0.4 percent ($5.00) to close at $1,240.00.Ascendant Group shared jumped $0.10 (0.9 percent) to close at $11.65. 4,500 shares traded.Overall, the BSX closed down 22.74 points (1.93 percent) at 1,154.56.