The Bermuda Stock Exchange (BSX) closed up 2.46 percent at 1,233.18 yesterday.Shares in KeyTech Ltd rose 8.17 percent (47 cents) to close at $6.22. Changing hands were 16,700 shares.Butterfield Bank rose 3.44 percent (five cents) to close at $1.50, with 2,000 shares trading.And paint company Devonshire Industries Ltd. fell 45 cents, or 8.18 percent, as 2,300 shares traded to close at $5.05.The BSX Insurance Index, however, dropped five points (0.51 percent) to 977.