每日钉一下（投资港股赚钱了，需要交税吗？）

Group 1 - The article discusses the tax implications for investing in Hong Kong stocks, specifically addressing concerns about potential taxation on investment gains [5][9]. - There are two main types of taxes related to stock investments: dividend tax and capital gains tax [6][7]. - Dividend tax rates vary, with A-shares having a 20% tax for short-term investments, while long-term holdings are exempt. For Hong Kong stocks, the dividend tax is higher, at 20% for H-shares and 28% for red-chip stocks [6][7]. Group 2 - Capital gains from buying low and selling high are subject to personal income tax in many regions, but in China, there is currently a temporary exemption for individual investors trading A-shares and through the Hong Kong Stock Connect [7][10]. - Chinese tax residents who open overseas securities accounts and gain profits from investing in Hong Kong or U.S. stocks are required to pay a 20% tax on those gains [9][10]. - Investing through mutual funds in Hong Kong or U.S. stocks does not increase personal income tax liability, highlighting a potential tax advantage of fund investments [10][11].