Group 1 - The article discusses the necessity for companies to utilize their foreign exchange quotas to convert RMB into USD for purchasing US stock funds, highlighting potential limitations due to fund company quotas [3] - Interest rate risk is defined as the impact of fluctuations in financial market interest rates on asset returns, with a notable quote from Buffett comparing interest rates to gravity. Rising interest rates typically indicate a bear market for bonds, while falling rates suggest a bull market [4] - Currency risk is addressed, emphasizing the unpredictability of exchange rate movements and their potential impact on investment returns, particularly when converting RMB to foreign currencies [6] Group 2 - Policy risk is described as a more extreme form of risk, where foreign governments may impose restrictions on capital inflows, exemplified by the limitations faced by overseas investors during the Asian financial crisis in the 1990s [7]