Quick Notes: Each square represents a company or a group of companies. The color of the square is determined by the value of the indicator in the dropdown at the upper left. Click once on any square to see its chart appear in the upper right. Right click on a square and select "Zoom in" to drill down into a group of companies. Click the "Up-Arrow" icon at the top of the chart to zoom back out. Use the slider at the bottom to change the range of dates that are used to color the squares.