More than half-a-million shares of One Communications Limited were traded on The Royal Gazette/BSX Index.The stock fell 10 cents, or 2.5 per cent, to $3.90, after 555,800 shares changed hands.Argus Group Holdings Ltd was up eight cents, or 3 per cent, at $2.73 after 5,142 shares were exchanged.On the New York Stock Exchange, shares of Butterfield Bank were down 13 cents, or 0.59 per cent, at $21.86.The Royal Gazette/BSX Index was up 0.23 of a point, or 0.01 per cent, at 1,731.