Hong Kong stocks opened lower in the morning session. The HSI opened 100 points or 0.4% lower at 23,791. The HSCEI opened 32 points or 0.4% lower at 8,622. The HSTECH opened 32 points or 0.6% lower at 5,207.WUXI BIO (02269.HK) -0.520 (-1.732%) Short selling $85.33M; Ratio 12.688% cascaded 3.6% to $27 as its major shareholder sold 82.94 million shares at a 5% discount, cashing in over $2.2 billion. WUXI APPTEC (02359.HK) -0.400 (-0.400%) Short selling $46.31M; Ratio 7.368% and SINO BIOPHARM (01177.HK) -0.040 (-0.549%) Short selling $83.08M; Ratio 14.587% shed 1.6% each.Related NewsM Stanley Lays Out Latest Focus List in HK Mkt (Table)For financials, HSBC HOLDINGS (00005.HK) -1.150 (-1.163%) Short selling $156.49M; Ratio 34.281% slid 0.5% to $91.8, while HKEX (00388.HK) -4.800 (-1.112%) Short selling $103.20M; Ratio 24.141% lost 1.1%. AIA (01299.HK) -1.100 (-1.477%) Short selling $126.08M; Ratio 23.278% ebbed 0.2%. Oil prices continued to hike, with PETROCHINA (00857.HK) 0.000 (0.000%) Short selling $83.99M; Ratio 37.052% , KUNLUN ENERGY (00135.HK) +0.010 (+0.131%) Short selling $2.21M; Ratio 8.688% and CNOOC (00883.HK) -0.080 (-0.426%) Short selling $91.99M; Ratio 22.626% adding 0.9-1.2%.(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2025-08-08 12:25.)