Core Points - The Shanghai One Belt One Road Theme Index has decreased by 0.37%, closing at 1819.47 points with a trading volume of 39.82 billion yuan [1] - Over the past month, the index has increased by 4.39%, but it has decreased by 2.84% over the last three months and by 1.81% year-to-date [2] - The index includes representative stocks from five major industries: infrastructure, transportation, high-end equipment, power communication, and resource development [2] Index Composition - The top ten weighted stocks in the index are: Zijin Mining (5.36%), China State Construction (4.99%), Wanhua Chemical (4.8%), Sany Heavy Industry (4.63%), COSCO Shipping Holdings (4.1%), China Petroleum (4.02%), Guodian Nanjing Automation (3.96%), CRRC Corporation (3.94%), Sinopec (3.69%), and China Shipbuilding Industry (3.11%) [2] - The index is composed entirely of stocks listed on the Shanghai Stock Exchange, with an industry breakdown of 63.05% in industrials, 20.75% in materials, 10.97% in energy, 3.28% in communication services, and 1.94% in utilities [3] Index Adjustment - The index samples are adjusted quarterly, with adjustments occurring in the second Friday of March, June, September, and December [3] - Each adjustment typically does not exceed 20% of the sample, and the weight factors are fixed until the next scheduled adjustment [3]