BF&M Ltd. dropped 7.9 percent ($1.2%) to $14.50 on The Bermuda Stock Exchange (BSX) yesterday.The insurer traded 691 shares during the day.KeyTech Ltd, also fell 2.8 percent (20 cents) to $7.05, with 700 shares changing hands.But Butterfield Bank rose 4.2 percent (five cents) to $1.25, as 2,500 shares were transacted.Other traders included Bermuda Aviation Services Ltd. (20,757 shares), the Ascendant Group Ltd. (1,500) and Butterfield Bank's preference shares (10).Overall the Index climbed 12.71 points (1.12 percent) to 1,148.81, with 26,148 shares worth BD$128,378.40 and 10 shares worth US$12,154.44 traded.The BSX Insurance Index, however, declined four points (0.39 percent) to 1,017.