UNUSUAL PRICE AND TRADING VOLUME MOVEMENTS ANNOUNCEMENT - PURSUANT TO RULE 3.7 OF THE TAKEOVERS CODE, RULE 13.09 OF THE LISTING RULES AND THE INSIDE INFORMATION PROVISIONS UNDER PART XIVA OF THE SECURITIES AND FUTURES ORDINANCE MEMORANDUM OF UNDERSTANDING IN RELATION TO A POSSIBLE SUBSCRIPTION OF SHARES IN THE COMPANY AND RESUMPTION OF TRADING