恒科连跌三日后反弹0.56%，南向净买入近150亿

Market Overview - The Hong Kong stock market experienced a rebound on February 27, with the Hang Seng Index rising by 0.95% to close at 26,630.54 points, and the trading volume increased to 288.42 billion HKD from 259.28 billion HKD on the previous trading day [3] - The Hang Seng Tech Index also saw a slight increase of 0.56%, closing at 5,137.84 points, although it had previously declined for three consecutive trading days, with a cumulative drop of 10.27% over the past month [3][4] Sector Performance - The market displayed a "strong cyclical, differentiated technology, and weak consumer" characteristic, with coal (+4.37%), steel (+3.91%), and agricultural chemicals (+2.90%) leading the gains, driven by rising commodity prices and expectations of domestic growth policies [4] - Conversely, the airline sector (-3.00%), semiconductor materials and equipment (-2.81%), and paper and forestry products (-2.38%) faced declines, influenced by falling ticket prices post-Spring Festival and a significant drop in Nvidia's stock [4] Stock Highlights - Small-cap stocks performed exceptionally well, with notable gains from Changcheng Weiguang (+154.84%), Xingtai Chain Group (+63.52%), and Yuanli Holdings (+56.64%) [4][6] - On the other hand, Semai Holdings (-32.00%), Bairong Cloud-W (-18.78%), and Ying Yuzhou (-17.05%) experienced the largest declines, with Bairong Cloud-W possibly affected by adjustments in earnings expectations [4][6] Trading Volume Insights - The top three stocks by trading volume were Tencent Holdings (16.776 billion HKD), Alibaba-W (12.742 billion HKD), and Changfei Optical Fiber (9.101 billion HKD), with Changfei benefiting from its inclusion in the MSCI China Index [5][6] Corporate Developments - Baidu Group reported that AI business revenue accounted for 43% of its total, exceeding market expectations, while Alibaba announced the launch of the world's first "Qianwen" AI glasses, set for pre-order on March 2 [6] - BeiGene (6160.HK) achieved a net profit of 1.422 billion HKD for 2025, marking its first year of profitability [6] Market Sentiment and Future Outlook - The State Council issued opinions on improving the national unified electricity market system, raising profit improvement expectations for the electricity sector [7] - The MSCI China Index quarterly adjustment took effect, adding 33 A-share stocks focused on technology and semiconductors [7] - The Hong Kong Stock Exchange reported record high performance for 2025, with revenue of 29.161 billion HKD (up 30.3% year-on-year) and net profit of 17.754 billion HKD (up 36.0% year-on-year) [7] - The Hang Seng AH premium index fell to 118.81, indicating continued buying pressure from public funds in Hong Kong stocks [7] - Huashan Fund noted that the Hang Seng Tech Index has corrected 18% since its peak in October last year, with the risk-reward ratio gradually improving as the index remains sensitive to global liquidity and risk sentiment [7][8]