The Bermuda Stock Exchange recorded a positive week, thanks to a 6.8 percent rise in Butterfield Bank’s share price.During the five days of trading, Butterfield climbed eight cents to close the week on $1.25.Insurer Argus Group Holdings Ltd saw its share price dip 19 cents, or 4.2 percent, to $4.36.The Royal Gazette / Bermuda Stock Exchange Index closed the week at 1,098.58, up 29.1 points during the week, representing a 2.7 percent rise.