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SHORT-TERM INVESTMENTS (Details) - HKD ($) $ in Thousands | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
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SHORT-TERM INVESTMENTS |  |  |
Short-term investments | $ 13,373 | $ 17,501 | $ 1,169,741
Money market funds |  |  |
SHORT-TERM INVESTMENTS |  |  |
Short-term investments | 7,894 |  | $ 1,169,741
Financial assets at fair value through profit or loss |  |  |
SHORT-TERM INVESTMENTS |  |  |
Short-term investments | $ 5,479 | $ 17,501 |

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