南华商品指数：贵金属板块领涨，能化板块下跌

Group 1: Market Performance Overview - The Nanhua Composite Index rose by 1.31% based on the closing prices of adjacent trading days [1] - Among the sector indices, only the Nanhua Energy and Chemical Index declined by -0.8%, while the rest increased. The Nanhua Precious Metals Index had the largest increase of 3.66%, and the Nanhua Agricultural Products Index had the smallest increase of 0.2% [1] - Among the theme indices, the Oilseeds and Oils Index had the largest increase of 1.89%, the Building Materials Index had the smallest increase of 0.34%, the Coal - based Chemical Index had the largest decline of -1.52%, and the Petrochemical Index had the smallest decline of -0.69% [1] - Among the single - variety commodity futures indices, the Gold index had the largest increase of 4.57%, and the Live Pig index had the largest decline of -5.15% [1][4] Group 2: Other Information - The calculation method of the price change ratio in the article is the ratio of today's closing price to yesterday's closing price, and the contribution degree is the product of the price change ratio and the weight [9] - The Nanhua Commodity Index excludes the price difference during the contract roll - over, reflecting the real return of investing in the commodity system [9] - The calculation method of the contribution degree used in the article is a certain variety's daily price change ratio divided by the sum of all varieties' daily price change ratios. Yellow data bars represent rising varieties, and blue data bars represent falling varieties [9]