A heatmap is a graphical representation of data using colors that represent different values. It's often used to demonstrate user behavior on a particular web page.

Chevron Corp. engages in the provision of oil and gas energy solutions. It provides crude oil and natural gas, manufactures transportation fuels, lubricants, petrochemicals, and additives, and ...

Berkshire Hathaway, Inc. is a holding company, which engages in the provision of property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, ...