Group 1 - The bond market is experiencing a significant downturn, with the 10-year government bond yield surpassing 1.75% and approaching 1.8%, while the 30-year yield has reached 2.0375%, a four-month high [2] - The decline in the bond market is attributed to a peculiar mismatch of funds, exacerbated by a liquidity crunch due to corporate tax payments, which has outpaced the central bank's liquidity injections [2][4] - Despite the turmoil in the bond market, the stock market is thriving, with the Shanghai Composite Index breaking 3700 points, indicating a classic "stock-bond seesaw" effect where funds are flowing into equities while leaving bonds vulnerable [4][6] Group 2 - There is a silent battle among institutions in the bond market, with banks and insurance companies quietly accumulating long-term government bonds, while funds and brokerages are urgently selling off [6] - In just one week, funds have net sold 621 billion in interest rate bonds, leading to a reduction in the duration of medium- and long-term pure bond funds to 5.2 years, a three-week low [6] - The breach of the 1.75% threshold has shifted focus to the 1.8% psychological level, with a notable increase in volatility and trading activity as market participants engage in a tug-of-war [6][8]