The Bermuda Stock Exchange (BSX) rose slightly yesterday to close at 1,246.25, up 0.21 percent.A total of 38,441 Butterfield Bank shares traded, closing at $1.51, up a cent.Bermuda Commercial bank shares also traded, with 200 shares changing hands, to close at $11, down 45 cents or 3.9 percent.And 200 shares of BF&M Ltd. were traded, closing unchanged at $15.The Bermuda Insurance Index closed at 916.00, rising 54 points or 6.26 percent for the day.