Bermuda National Ltd fell $2 (16.66 percent) on the Bermuda Stock Exchange yesterday, trading 300 to close at $10.Meanwhile, KeyTech jumped 25 cents (4.34 percent), trading 3,000 shares to close at $6.Butterfield Bank and Ascendant Group traded shares, closing at $1.25 and $11.50, respectively, both with no change in share price.Overall, the BSX closed at 1,059.60, down 8.90 points (.83 percent), trading 54,030 shares worth BD$91,880 and 10,010 US shares worth US$101,101.