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A technique for displaying large volumes of data in real time or of its development over long periods of time. In this case, the display shows daily trading volumes, number of stocks, and price volatility for over 100 industries in 12 business sectors for 30 years. The cones lengthen and contract in response to trading activity. The spheres rise and fall and grow and shrink in response to changes in sector-wide volatility and trading activity.
Data Feeds: Financial market data
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