每日投资策略：中东战火蔓延，恒指后市不乐观-20260320

Market Overview - The Hang Seng Index closed down 524 points or 2.02%, ending at 25,500 points, after a significant drop due to geopolitical tensions in the Middle East and rising international oil and gas prices [2][3] - The index opened lower, dropping 474 points initially, and saw a maximum decline of 576 points during the trading session [3] Macro & Industry Dynamics - The three note-issuing banks in Hong Kong, including HSBC, Bank of China Hong Kong, and Standard Chartered Hong Kong, have maintained their prime rates unchanged at 5% [6] - The Hong Kong Monetary Authority noted that the monetary and financial markets are operating orderly, with the Hong Kong interbank offered rate (HIBOR) closely tracking U.S. interest rates [7] - Morgan Stanley downgraded the rating of Macau gaming stocks from "attractive" to "in line with expectations," predicting a 6% growth in gaming revenue but only a 2% increase in EBITDA for the year, which is below market expectations [8] Company News - AIA Group announced a share buyback of $1.7 billion, exceeding market expectations, and emphasized a gradual increase in dividend policy while focusing on natural growth and potential acquisitions [10] - AAC Technologies reported a 39.77% increase in net profit to 2.512 billion RMB for the year ending December, with revenue growing by 16.43% to 31.817 billion RMB [11] - Wistron reported a 28.66% increase in net profit to 1.353 billion RMB for the year, with total revenue rising by 9.59% to 97.626 billion RMB [12]