Butterfield closed down one cent at $1.25 as 100 of the bank’s shares changed hands on the Bermuda Stock Exchange yesterday.BF&M shares also traded. Some 400 shares changed hands closing unchanged at $16.00 a share.Overall, the BSX ended down 4.74 or .44 percent closing at 1,084.23.The BSX Insurance Index rose .09 percent to finish the day at 1055.00.