<p>Toll Holdings will seek a dual listing on the New Zealand stock exchange if its bid for Tranz Rail is successful.</p> <p>Toll managing director Paul Little said the decision is a response to New Zealand investors who had expressed interest in sharing "the upside of Toll’s ownership and management of Tranz Rail".</p> <p>The takeover offer now looks to be a formality after Tranz Rail directors rubber-stamped Toll’s improved bid of NZ$1.10 a share.</p> <p>Tranz Rail shares have now firmed and were trading at NZ$1.08 at 11.15 am (AEST) today (Monday, September 8).</p> <br />