The Irish Stock Exchange sees the potential for up to 40 significant new listings over the next two to three years, the chief executive of the exchange, Mr Tom Healy, said yesterday. Mr Healy said the introduction of the technology market ITEQ had received a positive response from both hi-tech companies and their advisers. "Our objective is to see that the majority of companies which go public do so in Dublin, possibly in parallel with a listing on Nasdaq."