China State Construction is trading 4.87% lower at HK$8.11 amid weaker nine-month results. - Nine-month turnover was RMB 59.114 billion, down from RMB 77.696 billion a year earlier. - Operating profit plus joint-venture profits totaled RMB 9.863 billion, versus RMB 11.921 billion. - The October 21 unaudited update was released after the session. Results are a plausible company-specific catalyst for the October 22 decline, but the announcement did not explicitly link them to the share-price move. No trading-volume data was provided.