The Royal Gazette/BSX Index closed unchanged at 1,506.82 as no stocks changed value in Bermuda Stock Exchange trading.One Communications Ltd remained unchanged on $4 as 90 shares changed hands.Butterfield Bank’s US-listed shares rose on the New York Stock Exchange, gaining 74 cents, or 4.34 per cent, to close on $17.78. Butterfield last traded on the BSX at $18.The BSX Insurance Index rose 94.8 points, or 8.19 per cent, to close on 1,251.97.