Group 1 - In April 2023, 88% of the 7040 bond funds with comparable performance recorded gains, with 6189 funds increasing in value, 49 remaining flat, and 802 declining [1][2] - The top-performing bond funds for April were Bosera SSE 30-Year Treasury ETF and Pengyang China Bond 30-Year Treasury ETF, which rose by 4.56% and 4.21% respectively [1] - The mixed bond funds such as Huian Stable Yield Bond A/C and Fangzheng Fubon Hongyuan Bond A/C also saw increases exceeding 3% [1][2] Group 2 - The top holdings for Bosera SSE 30-Year Treasury ETF included special treasury bonds, primarily 24 Special Treasury 01 and 23 Treasury 23 [1] - The performance of the funds managed by Jin Hongfeng and Niu Weisong, who have extensive experience in fund management, contributed to their respective funds' success [1][2] - The funds that experienced declines in April included Jinying Yuanfeng Bond C, which fell by 3.59%, and Zhejiang Merchants Enhanced Bond, which decreased by 3.17% [2][3] Group 3 - The underperforming bond funds primarily held convertible bonds and also allocated assets to stocks, which contributed to their declines in April [3] - The top five holdings of Jinying Yuanfeng Bond C included various convertible bonds and stocks from companies like Guanghuan Xinwang and Youke De [2][3] - The overall bond fund market showed a strong performance in April, with a significant majority of funds achieving positive returns despite some notable exceptions [1][2]