KeyTech shares fell 2.4 percent in trading on the Bermuda Stock Exchange yesterday losing 15 cents to close at $6.00. 2,000 share traded in all.Shares of Bank of Butterfield gained 2.4 percent, or 3 cents to close the day $1.30. 6.058 shared traded.Overall, the BSX finished up 12.36 points or 1.13 percent at 1,104.30.