资产配置日报：久违的股债同涨-20250911

Market Performance - On September 11, both stocks and bonds rose, with the STAR 50 and ChiNext indices increasing by 5.32% and 5.15% respectively, while the Shanghai Composite Index and CSI 300 rose by 1.65% and 2.31%[2] - The total trading volume of the entire A-share market reached 2.46 trillion yuan, an increase of 460.6 billion yuan compared to the previous day[2] Fund Flows - On September 10, stock ETFs experienced a net outflow of 4.8 billion yuan, continuing a slight outflow trend[3] - The financing balance increased by 5.8 billion yuan, with leveraged funds adding positions in electronics, computers, and machinery, which saw respective increases of 2.07 billion yuan, 580 million yuan, and 450 million yuan[3] Sector Performance - AI-related sectors showed significant strength, with optical modules and circuit boards rising by 9.77% and 7.59% respectively[3] - In the commodity market, industrial silicon, coking coal, and polysilicon led the gains, with increases of 2.5%, 2.3%, and 1.9% respectively[8] Bond Market Insights - The yield on 10-year government bonds rose to 1.83% before retreating to around 1.80% by the end of the day, indicating market volatility and differing investor sentiments regarding the central bank's bond-buying expectations[6] - The central bank's recent reverse repos totaled 74.9 billion yuan and 79.4 billion yuan, contributing to a shift in funding rates from rising to falling[7] Risk Considerations - The report highlights potential risks from unexpected adjustments in monetary policy, liquidity changes, and fiscal policy shifts, which could impact market stability[11]