基金周报：国债等利息收入恢复征收增值税，指数基金Y份额规模突破15亿元-20250803

• The report does not contain any specific quantitative models or factors related to quantitative investment strategies[4][36][38] - The content primarily focuses on fund performance, issuance, and market dynamics, without detailing any quantitative model construction or factor analysis[4][36][38] - No quantitative models or factors are explicitly mentioned or analyzed in the provided documents[4][36][38]