1. Report Industry Investment Rating - Not provided in the given content. 2. Core View of the Report - Among AA-rated urban investment bonds (subject rating) with a high discount rate, "20 Huainan JF MTN003" had the largest deviation in valuation price; among the top 50 bonds with the largest net price decline, "23 Huangshi CF MTN005" had the largest deviation in valuation price; among the top 50 bonds with the highest net price increase, "19 Kunzu 02" had the largest deviation in valuation price; among the top 50 secondary perpetual bonds with the highest net price increase, "24 SPDB Tier 2 Capital Bond 01B" had the largest deviation in valuation price [2]. 3. Summary by Relevant Catalogs 3.1 AA-rated Urban Investment Bonds with High Discount Rates - "20 Huainan JF MTN003" had a remaining term of 0.28 years, a valuation price deviation of -0.59%, a valuation net price of 100.64 yuan, a valuation yield deviation of 8.18 bp, a daily valuation yield of 1.73%, a coupon rate of 5.03%, an implied rating of AA(2), and a subject rating of AA, with a transaction date of July 23, 2025 [4]. - Other bonds such as "25 Jinghe 01", "25 Lancuang 03" also had relevant data presented in the table [4]. 3.2 Top 50 Bonds with the Largest Net Price Decline - "23 Huangshi CF MTN005" had a remaining term of 0.99 years, a valuation price deviation of -0.88%, a valuation net price of 99.12 yuan, a valuation yield deviation of 1.33 bp, a daily valuation yield of 1.90%, a coupon rate of 5.78%, an implied rating of AA(2), and a subject rating of AA+, with a transaction date of July 21, 2025 [5]. - Other bonds like "24 CRCC K2", "25 COSCO SHIPPING MTN001" also had corresponding information in the table [5]. 3.3 Top 50 Bonds with the Highest Net Price Increase - "19 Kunzu 02" had a remaining term of 0.03 years, a valuation price deviation of 0.60%, a valuation net price of 101.43 yuan, a valuation yield deviation of -12.82 bp, a daily valuation yield of 2.10%, a coupon rate of 6.45%, an implied rating of AA-, and a subject rating of AA+, with a transaction date of July 25, 2025 [7]. - Other bonds such as "25 Taihua 03", "24 Chanrong 06" also had detailed data in the table [7]. 3.4 Top 50 Secondary Perpetual Bonds with the Highest Net Price Increase - "24 SPDB Tier 2 Capital Bond 01B" had a remaining term of 9.07 years, a valuation price deviation of 0.03%, a valuation net price of 100.92 yuan, a valuation yield deviation of -0.33 bp, a daily valuation yield of 2.19%, a coupon rate of 2.30%, an implied rating of AA+, and a subject rating of AAA, with a transaction date of July 25, 2025 [9]. - Other bonds like "24 CGB Tier 2 Capital Bond 01B", "25 GZB Perpetual Bond 01" also had relevant information presented in the table [9].