期指：不确定性仍多，注意仓位管理

Group 1: Report Investment Rating - No information provided on the industry investment rating Group 2: Core View - Uncertainty in index futures remains high, and attention should be paid to position management [1] Group 3: Summary of Related Catalogs 1. Index Futures Data Tracking - On February 12, the closing prices of the four major index futures contracts showed mixed trends: IF rose 0.07%, IH fell 0.29%, IC rose 1.24%, and IM rose 1% [1] - The total trading volume of index futures increased, indicating that investors' trading enthusiasm has increased. Specifically, the total trading volume of IF increased by 6,363 lots, IH by 2,280 lots, IC by 12,192 lots, and IM by 21,933 lots [2] - In terms of positions, the total positions of IF decreased by 945 lots, IH by 133 lots, while IC increased by 3,605 lots, and IM increased by 4,216 lots [2] 2. Top 20 Member Position Changes - The position changes of the top 20 members in each index futures contract vary. For example, in the IF2602 contract, long positions increased by 1,825 lots with a net change of 82 lots, and short positions increased by 2,886 lots with a net change of 1,042 lots [5] 3. Trend Strength - The trend strength of IF and IH is 1, and that of IC and IM is also 1. The trend strength ranges from -2 to 2, with -2 being the most bearish and 2 the most bullish [6] 4. Important Drivers - Concerns about AI eroding corporate profits led to a sharp decline in the US stock market, causing a broad decline in risk assets. Technology stocks led the decline, with the Nasdaq falling more than 2%, and the Nasdaq Golden Dragon China Index falling 3% [6] - Trump's tariff policies face major uncertainties. The US House of Representatives passed a resolution against Trump's tariff on Canada, and the future of the USMCA also faces significant uncertainties [7] - The Chinese central bank will conduct a 1 - trillion - yuan six - month outright reverse repurchase operation on February 13, with an incremental scale of 500 billion yuan [6] 5. Market Performance - A - shares showed narrow - range fluctuations, with the Shanghai Composite Index rising 0.05% to 4,134.02 points. Power stocks strengthened, while consumer stocks such as film and television, retail, and food underperformed [7] - Hong Kong stocks fluctuated and declined. The Hang Seng Index fell 0.86% to 27,032.54 points, and the Hang Seng Tech Index fell 1.65% to 5,408.98 points [8]