Former Hanny Magnetics (Holdings) chairman Wong Sun may be too ill to testify at an insider-dealing hearing following a kidney transplant in the mainland. Medical staff are to give evidence to the insider-dealing tribunal on Mr Wong's progress and prognosis, to determine whether and when he will be able to give evidence. Mr Wong, who faces allegations of insider dealing in Hanny shares, is determined to testify. The inquiry was forced to adjourn for more than a month due to the surgery. Mr Wong was previously on dialysis, suffering from diabetes. Tribunal chairman Mr Justice Michael Hartmann yesterday adjourned the hearing again until October 23, insisting that details of Mr Wong's condition be provided by medical witnesses. Mr Wong received the transplant on September 23 at a mainland hospital, the tribunal heard. He is still being treated in the mainland. The tribunal would have to be convinced that Mr Wong was able to testify, Mr Justice Hartmann said. This could involve mainland doctors liaising with Mr Wong's medical advisers in Hong Kong. 'If Hong Kong doctors are unable to cross the border, we can see no reason why the necessary statistics, with Mr Wong's consent, cannot be supplied to the doctors here so that these doctors can arrange for somebody to come before this tribunal . . . to give some detailed prognosis,' Mr Justice Hartmann said. No physical exertion would be needed, and Mr Wong would not be expected to face hours of questioning, the judge said. He said the tribunal hoped he would regain his health, but if the prognosis was bleak, the inquiry must be informed. Mr Wong is accused of using an array of accounts either to buy or sell Hanny shares illicitly between July 1994 and February 1995, with the aim of making a profit or avoiding a loss. The former chairman, and six others, deny the accusations. The inquiry has spanned almost five months. INSIDER TRADING