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Zooming in won't work if you click on text due to a bug in the Google Charts API. So it's best to click on a header or a node.

It's best to avoid the depth controls if you're just starting out.

You may want to raise or lower the threshold if the day is particularly volatile.

The market overview is a representation of the S&P 500 Index . Each node is a stock in the S&P 500. The companies are grouped by industry. Industries are grouped by sectors. (Sector > Industry > Company)The size is based on market capitalization The color of is based on whether the market price of stock is rising or declining over the course of the trading day for going up.for going down.Left click to zoom in, right click to zoom out.Tips: