Agree. People have visualized market data for years. Try a tree map. You can group them and size each block by their market size. https://www.finviz.com/map.a

Agree. People have visualized market data for years. Try a tree map. You can group them and size each block by their market size. https://www.finviz.com/map.ashx?t=sec https://www.finviz.com/map.ashx?t=sec