Short selling turnover in the Hong Kong stock market totaled approximately HK$31.57 billion during the morning session, with the short selling ratio (short turnover as a percentage of main board turnover) standing at 16.832%. The total number of stocks with short selling activity was 817, involving 2.472 billion shares. The total short selling amount reached around HK$31.57 billion.

Key short selling data by stock: - Tracker Fund (02800): HK$4.521 billion short turnover, short ratio 46.886%, accounting for 14.32% of total short volume. - CSOP Hang Seng TECH Index ETF (03033): HK$2.862 billion short turnover, short ratio 27.102%, representing 9.06% of total shorts. - Hang Seng China Enterprises Index Fund (02828): HK$2.752 billion short turnover, short ratio 40.039%, comprising 8.72% of total. - TENCENT (00700): HK$992 million short turnover, short ratio 13.827%, making up 3.14% of total. - CNOOC (00883): HK$798 million short turnover, short ratio 12.840%, accounting for 2.53% of total short volume.