The Market cap of Noble Energy, Inc. is $4.10B
Market capitalization is the market value at a point in time of the shares outstanding of a publicly traded company, being equal to the share price at that point of time times the number of shares outstanding.
= outstanding shares * previous day’s close
As outstanding stock is bought and sold in public markets, capitalization could be used as an indicator of public opinion of a company's net worth and is a determining factor in some forms of stock valuation.
Market capitalization is used by the investment community in ranking the size of companies, as opposed to sales or total asset figures. It is also used in ranking the relative size of stock exchanges, being a measure of the sum of the market capitalizations of all companies listed on each stock exchange. In performing such rankings, the market capitalizations are calculated at some significant date, such as 30 June or 31 December.
The total capitalization of stock markets or economic regions may be compared with other economic indicators. The total market capitalization of all publicly traded companies in the world was US$51.2 trillion in January 2007 and rose as high as US$57.5 trillion in May 2008 before dropping below US$50 trillion in August 2008 and slightly above US$40 trillion in September 2008. In 2014 and 2015, global market capitalization was US$68 trillion and US$67 trillion, respectively.
Noble Energy, Inc. operates as an exploration and production company. It engages in the acquisition, exploration and development of crude oil and natural gas. The firm operates through the following geographical segments: United States, Eastern Mediterranean, West Africa, Other International and Midstream. The United States segment consists of U.S. onshore and Gulf of Mexico. The Eastern Mediterranean segment includes Israel and Cyprus. The West Africa segment comprises of Equatorial Guinea, Cameroon, and Gabon. The Other International segment is composed of Newfoundland, Suriname, and other new ventures. The Midstream segment owns, operates, develops, and acquires domestic midstream infrastructure assets with current focus areas being the DJ and Delaware Basins. The company was founded by Lloyd Noble in 1932 and is headquartered in Houston, TX.