21.   The notice was issued before trading began on the New Zealand Stock Exchange.

22.   The problems and delays besetting the venture have raised some concern that trading will actually begin when planned.

23.   The shares were listed on the exchange yesterday and must wait three working days before trading can begin, according to Peruvian exchange regulations.

24.   The U.S. Department of Agriculture will publish its weekly summary of export sales before trading begins tomorrow.

25.   There was no agreement on the extent of the breach, but once awkward principles have been dropped, trading can begin.

26.   These days, tech stocks almost always raise that price before they go public, but even so the demand sends the prices up sharply after trading began.

27.   These sales are often attractive because many new stocks rise immediately once trading begins.

28.   Trading begins on the Pacific Stock Exchange tomorrow of options on an index that tracks fast-growing companies such as Ascend Communications Inc. and Iomega Corp.

29.   Trading should begin Tuesday.

30.   Trading will begin the same day on the New York and London Stock Exchanges.