南华能化指数下跌12.24点，跌幅为-0.19%

Group 1: Report Summary - The South China Comprehensive Index rose 18.21 points, a 0.72% increase this week. Gold and silver were the most influential varieties, with gold's index rising 3.82% and contributing 0.28%, and silver's index rising 4.51% and contributing 0.27% [1][2]. - The South China Industrial Products Index fell 2.38 points, a -0.07% decrease. Crude oil and PTA were the most influential, with crude oil contributing -0.12% and PTA -0.1% [1][2]. - The South China Metal Index dropped 12.24 points, a -0.19% decline. Lithium carbonate was the most influential, contributing -0.13% [1][2]. - The South China Energy and Chemical Index decreased 2.4 points, a -0.14% fall. Crude oil was the most influential, contributing -0.17% [2]. - The South China Agricultural Products Index increased 3.42 points, a 0.31% rise. Palm oil was the most influential, contributing 0.3% [2]. Group 2: Weekly Data Overview - Table 1 shows the weekly data of South China commodity indices, including closing prices, changes, and other details for various indices such as the Comprehensive Index, Precious Metals Index, etc. [3]. - Table 2 presents the strength - weak arbitrage data of South China variety indices, including present values, previous values, changes, and rankings for different commodity comparisons [6]. - Table 3 provides the daily price changes, contribution to index price changes, average weekly holdings, and other data for each futures variety [8]. Group 3: Sector Index Analysis South China Industrial Products Index - The top six contributing varieties are crude oil, PTA, fuel oil, rebar, sintered ore, and tin [10]. South China Metal Index - The top three contributing varieties are lithium carbonate, rebar, and tin [10]. South China Energy and Chemical Index - The top three contributing varieties are crude oil, PTA, and fuel oil [10]. South China Agricultural Products Index - The top three contributing varieties are palm oil, corn, and soybean oil [10]. South China Black Index - The top three contributing varieties are iron ore, coke, and manganese - silicon [12]. South China Non - ferrous Index - The top three contributing varieties are lithium carbonate, tin, and alumina [14].