The Comcast Heat Map shows you the entire S&P500, highlighting those stocks with the greatest gains at the top of the map, those with the greatest losses nearer to the bottom.

Note: The heat map requires Java and will pop up in a new window. Please allow up to 60-75 seconds for the map to fully load. Leaving this page will close the map.

The Market Map, powered by Smart Money, highlights the where the market is moving fastest - industries and sectors with the most movement are highlighted in the brightest color. Click into a region of the map to dig deeper into a particular sector and industry.

Note: The Market Map is powered by SmartMoney.com and will appear in a new window.