受科技股抛售与美联储讲话前的避险情绪升温，上周全球债券基金净流入188.2亿美元

Group 1 - Global stock fund inflows significantly decreased to $2.27 billion for the week ending August 20, down from $19.29 billion the previous week, influenced by cautious investor sentiment towards major tech stock sell-offs and upcoming remarks from Federal Reserve Chairman Jerome Powell at the Jackson Hole symposium [2] - U.S. equity funds experienced a net outflow of $2.4 billion, reversing the previous week's inflow of approximately $8.76 billion [5] - European and Asian equity funds saw their weekly net inflows slow to $4.2 billion and $0.7 million, respectively, compared to $7.1 billion and $2.08 billion the prior week [5] Group 2 - Global bond funds continued to attract investment for the 17th consecutive week, with a net inflow of $18.82 billion [8] - High-yield bond funds received a net inflow of $3.03 billion, marking the largest inflow in eight weeks [8] - Investors also added $2.52 billion to short-term bond funds for the eighth consecutive week [8] Group 3 - Money market funds saw a net inflow of $13.98 billion, continuing a buying trend for the third week [11] - Gold and precious metals commodity funds experienced a net outflow of $2.93 billion, ending a 12-week buying streak [11] - Emerging market equity funds attracted a net inflow of $4.58 billion after two weeks of net outflows, while bond funds saw a net increase of $2.13 billion [11]