Fifteen thousand shares of LOM Financial Ltd changed hands on the Bermuda Stock Exchange.The investment firm’s shares closed unchanged on $2.80.LOM was the only stock to trade on the BSX, as The Royal Gazette BSX Index closed unchanged on 1,837.7.The US-listed shares of Butterfield Bank fell 57 cents, or 2.23 per cent, to close at $25.04 on the New York Stock Exchange as 168,878 shares were traded. Butterfield last traded at $25.17 on the BSX.The BSX Insurance Index gained 1.84 points, or 0.13 per cent, to close on 1,451.59.