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An interactive donut chart displays the market capitalization of top Chinese companies on US exchanges, grouped by sector. Clicking a slice or legend item filters the chart to that industry, while a summary panel and tooltips reveal company-level details like IPO year and growth. Built with React and D3 v7, the visualization uses `pie()`, `arc()`, and `scaleOrdinal` for layout and coloring, with `ResizeObserver` for responsive sizing. Data is loaded from a CSV file via `d3.csv`.
AI-generated descriptionChinese Companies Market Cap Visualization
This visualization showcases the top Chinese companies by market capitalization, organized by sector. The interactive pie chart allows users to explore the distribution of market value across different industries.
Features
- Interactive donut chart showing market cap distribution by sector
- Sector filtering by clicking on pie slices or legend items
- Responsive design that adjusts to different screen sizes
- Detailed tooltips with additional information
- Summary panel that updates based on selected sector
Data
The visualization uses market capitalization data for the top 30 Chinese companies listed on US exchanges, including information about:
- Company name
- Market capitalization (in billions of USD)
- Industry sector
- IPO year and value
- Growth since IPO
Technologies Used
- D3.js for data visualization
- React for UI components
- CSS for styling and responsiveness