债海观潮，大势研判长债波段操作为主

Group 1 - The report indicates that in December, the yield rates of most bond varieties declined, with all interest rate bonds experiencing a decrease in yield rates. In the credit bond sector, most credit bond varieties saw widening credit spreads, while the total amount of defaults significantly decreased in December [3][10][30] - The overseas economic fundamentals show a slowdown in the US economy, with a mild performance in CPI inflation. Both European and Japanese inflation rates have stabilized [3][39][43] - Domestic economic growth continued to slow down in November, with a year-on-year GDP growth rate of approximately 4.1%, a decrease of 0.2 percentage points from October. The forecast for GDP growth in Q4 2025 is about 4.3%, indicating a further decline from Q3 [3][49][91] Group 2 - The monetary policy review indicates that the fourth quarter monetary policy meeting removed references to "low inflation" and emphasized the challenges posed by the imbalance between supply and demand in the economy [3][103] - The report highlights that the "fixed income plus" strategy involves a combination of fixed income assets with other risk assets to enhance returns, with common assets including stocks, convertible bonds, derivatives, and commodities [105][106] - The performance of "fixed income plus" funds has shown a significant increase in equity allocation, with stock assets accounting for 10.3% of the total, while bond assets remain dominant at 85.4% [129]