Group 1: Report Summary - The South China Composite Index fell by -0.15% based on the closing prices of adjacent trading days [1]. - Among the sector indices, the South China Precious Metals Index had the largest increase of 0.38%, and the South China Agricultural Products Index had the smallest increase of 0.11%. The South China Black Index had the largest decline of -0.85%, and the South China Non - Ferrous Metals Index had the smallest decline of -0.25% [1]. - Among the theme indices, the Oilseeds and Oils Index had the largest increase of 0.6%, and the Petrochemical Index had the smallest increase of 0.04%. The Black Raw Materials Index had the largest decline of -0.84%, and the Mini Composite Index had the smallest decline of -0.23% [1]. Group 2: Index Data - **South China Composite Index**: Today's close was 2532.31, yesterday's close was 2536.21, with a daily decline of -0.15%, an annualized return of -17.63%, and an annualized volatility of 13.21% [6]. - **Sector Index Performance**: Different sector indices had varying levels of increase and decrease, with precious metals rising and black sectors falling significantly [1]. - **Theme Index Performance**: Oilseeds and oils theme index showed a relatively large increase, while the black raw materials theme index had a large decline [1]. Group 3: Commodity Futures Single - Variety Index - In the agricultural products sector, palm oil had a 1.31% increase, rapeseed had a 1.73% increase, etc. In the energy and chemical sector, synthetic ammonia had a -0.84% decline, methanol had a -0.66% decline, etc. In the black sector, some coal - related products had different levels of increase and decrease [2][7].