Butterfield Bank rallied yesterday on the Bermuda Stock Exchange (BSX), closing at $1.18, up 5.35 percent (0.6 cents) with 15,000 shares trading hands. KeyTech also saw movement, closing at $5.60, up 1.81 percent (10 cents) with 2,000 shares traded.Overall, the BSX was up 29.67 points (2.88 percent), closing at 1,060.29 with 17,000 shares traded hands worth BD$28,771 and 198 shares worth US$1,504.80.The BSX Insurance Index closed up two points at 1000.