Original article title: 8. It took 7 days to analyze: new energy technology, pure grains and wine, semiconductor materials, diagnosis and treatment sector analysis ideas. As of the close of the market at noon yesterday, the Shenzhen and Shanghai Stock Exchange Index fell by 0.55%, and the Shenzhen Stock Exchange Index fell by 0.3%. Surveying and Mapping Bulletin

14827.41 points, the GEM index fell 1.18%, and the surveying and mapping report was 3490.90 points.