Core Viewpoint - The recent changes in public fund fee regulations have significantly impacted the bond market, leading to a sharp rise in bond yields and a decline in bond fund returns, particularly affecting short-term bond funds [1][2][3]. Group 1: Bond Market Reaction - The yield on 10-year government bonds rose sharply from 1.74% on September 4 to a peak of 1.83% on September 10, while the 30-year government bond yield increased to around 2.10% [1]. - As of September 11, there were signs of stabilization in the bond market, with a divergence in performance between long and short-term bonds [1]. - In the past week, 751 out of 930 short-term pure bond funds reported negative returns, and 2926 out of 3571 medium to long-term pure bond funds also had negative returns [1]. Group 2: Impact of New Fund Fee Regulations - The new fund fee regulations, which adjust redemption fees for bond funds, have led to a significant decline in the attractiveness of bond investments, particularly for short-term bond funds [2][3]. - The regulations encourage long-term holding of bond funds, which may alter the investment strategies of institutions that previously used bond funds for liquidity management [7][8]. - The new redemption fee structure requires investors to pay fees based on the duration of their holdings, which could deter short-term trading and negatively impact fund returns [4][5]. Group 3: Shifts in Investment Preferences - The changes in the bond market dynamics may lead to a shift in investor preferences, with banks and wealth management products potentially becoming more attractive as alternatives to bond funds [6][9]. - The demand for different types of bonds may change, with banks favoring short to medium-term bonds and wealth management products leaning towards short-term credit bonds [7][8]. - The absence of liquidity management functions in bond funds may result in increased interest in bond ETFs as a substitute for managing liquidity [9].