On the eve of the Christmas holiday, the HSI inched up 44 points or 0.17% to close at 25,818 in the half-day session today (24th). The HSCEI added 1 point to close at 8,915. The HSTECH gained 10 points or 0.19% to close at 5,499. Market turnover amounted to $92.524 billion.The US extended the deadline for imposing additional tariffs on Chinese chips to June 2027. Furthermore, it is reported that SMIC (00981.HK) +2.150 (+3.120%) Short selling $204.26M; Ratio 4.121% has raised prices for some production capacity by about 10%, boosting its share price by 3.1%, making it the best-performing blue chip. Its peer HUA HONG SEMI (01347.HK) +1.150 (+1.636%) Short selling $103.51M; Ratio 6.408% climbed 1.6%.Related NewsLoan Prime Rate 1Y for 2025 in China is 3%, unchanged from its last period. The forecast was 3.0%.For individual stocks, CATHAY PAC AIR (00293.HK) -0.060 (-0.466%) Short selling $4.65M; Ratio 9.591% 's Chair, Patrick Healy, will step down in May 2026, with Guy Bradley taking over, denting its stock price by 0.5%. BIOCYTOGEN-B (02315.HK) +6.380 (+22.230%) was added to the list of securities eligible for the Southbound Stock Connect. Therefore, its share price soared 22.2%. PLAYMATES TOYS (00869.HK) -0.075 (-14.706%) plunged over 14% as its 'Teenage Mutant Ninja Turtles' product licensing agreement will not be renewed beyond 2027. REGO INTERACT (02422.HK) +0.050 (+9.259%) shot up 9.3% at close as it raised $69.6 million through a 19.44% discounted share placement.(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2025-12-24 12:25.)