KeyTech Ltd fell 6.66 percent (40 cents) on The Bermuda Stock Exchange (BSX) yesterday.The utilities provider traded 14,300 shares to close at $5.60.Butterfield Bank also saw 62,990 shares change hands, but its share price held firm at $1.50.Overall the Index declined five points (0.4 percent) to 1,233.63 as 77,290 shares worth $175,525 were transacted.The BSX Insurance Index also dropped 37 points (3.98 percent) to 893.