<prompt> Ukwakha inguqulo eyinkimbinkimbi yalesi sigwebo Ukufakwa kuhlu eZurich stock exchange kulandelwa ngo-1987.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Ukufakwa kuhlu eStock Exchange Zurich kwalandelwa ngo - 1987, futhi bonke abasebenzi bathola amasheya enkampanini. 