Compare HAL & TEF Stocks: Price Trends, ML Decisions, Charts, Trends, Technical Analysis and more.
Halliburton is one of the three largest oilfield service firms in the world, offering superior expertise in a number of business lines, including completion fluids, wireline services, cementing, and countless others. It's the largest pressure pumper in North America, and has been a leading innovator in hydraulic fracturing over the past two decades.
Telefonica operates mobile and fixed networks in Spain (where it is the incumbent telephone operator), the UK, Germany, Brazil, and other Latin American countries like Colombia, Mexico, Argentina, and Chile. The company derives more than 30% of its revenue from Spain, close to 20% from Germany, and 20% from Brazil. Its UK operations are held through a joint venture with Virgin Media. For several years Telefonica has been simplifying its corporate structure by selling noncore assets.