KeyTech dropped four cents (.65 percent) on the Bermuda Stock Exchange yesterday, trading 200 shares, to close at $6.10.BF&M also fell ten cents (.62 percent), trading 8,312 shares to close at $15.85.Butterfield Bank traded 8,100 shares to close at $1.25, with no change in share price.Overall, the BSX closed at 1,089.89, down 1.19 points (.11 percent), trading 16,612 shares worth $143,058.20.