Jin Rong Jie·2025-06-19 09:58Group 1 - The Shanghai Stock Exchange Science and Technology Innovation Board High-end Equipment Manufacturing Index (Sci-Tech High-end Equipment, 000687) experienced a decline of 0.55%, closing at 993.99 points with a trading volume of 10.35 billion yuan [1] - Over the past month, the Sci-Tech High-end Equipment Manufacturing Index has decreased by 2.41%, and over the last three months, it has fallen by 11.55%, while year-to-date it has increased by 4.77% [1] - The index comprises 50 large-cap companies from sectors such as aerospace equipment, satellite applications, rail transportation equipment, marine engineering equipment, and intelligent manufacturing equipment, reflecting the overall performance of representative high-end equipment manufacturing companies listed on the Sci-Tech Board [1] Group 2 - The index is fully composed of companies listed on the Shanghai Stock Exchange, with an industry breakdown showing 70.71% in industrials, 17.85% in consumer discretionary, 10.84% in information technology, and 0.60% in healthcare [2] - The index samples are adjusted quarterly, with adjustments occurring on the next trading day following the second Friday of March, June, September, and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments, such as the delisting of a sample company or corporate actions like mergers and acquisitions [2]