Butterfield Bank rose 5.51 percent (seven cents) on The Bermuda Stock Exchange (BSX) yesterday.The bank traded 1,900 shares to close at $1.34.But Argus Group Holdings Ltd. fell 3.15 percent (15 cents) to $4.60 with 200 shares changing hands.The Index, as a whole, was up 30.76 points (2.68 percent) at 1,176.52 as 2,100 shares worth $3,430 were transacted.The BSX Insurance Index, however, dropped three points (0.3 percent) to 991.