南华商品指数：黑色板块领涨，能化板块下跌

Report Summary 1) Report Industry Investment Rating No relevant information provided. 2) Core View - According to the closing prices of adjacent trading days, the Nanhua Composite Index rose 0.23% today [1][4]. - Among the sector indices, only the Nanhua Energy and Chemical Index fell by -0.07%, while the rest all rose. The Nanhua Black Index had the largest increase of 0.87%, and the Nanhua Agricultural Products Index had the smallest increase of 0.22% [1][4]. - Among the theme indices, the Black Raw Materials Index had the largest increase of 1.03%, the Coal - Chemical Index had the smallest increase of 0.01%, the Petrochemical Index had the largest decrease of -0.62%, and the Economic Crops Index had the smallest decrease of -0.2% [1][4]. - Among the single - variety indices of commodity futures, the Industrial Silicon Index had the largest increase of 4.49%, and the Paraxylene Index had the largest decrease of -1.35% [1][4]. 3) Summary by Related Content Market Data - The Nanhua Composite Index rose 0.23% today, with different performance among sector, theme, and single - variety indices [1][4]. Index Contribution - The contribution degree is the product of the increase/decrease and the weight, and the calculation method is a certain variety's daily increase/decrease divided by the sum of all varieties' daily increase/decrease [9]. Index Trend - There are historical trend charts of the Nanhua Composite Index, sector indices, and theme indices (normalized) [4]. Industry Chain - There are industry chain diagrams and single - variety index daily increase/decrease for the energy and chemical, black, and agricultural product sectors [4][5][7]