Os indices das empresas de energia, do petroleo e gás natural têm vindo a valorizar-se ao longo das últimas sessões, pelo que é interessante acompanhar algumas empresas destas àreas de negócio.

CRK
Comstock Resources, Inc. engages in the acquisition, development, production, and exploration of oil and natural gas primarily in the Gulf of Mexico, Texas, Louisiana, Oklahoma, Arkansas, and Kansas

FTO
Frontier Oil Corporation (FOC), an energy company, engages in crude oil refining and the wholesale marketing of refined petroleum products. The company purchases crude oil to be refined and markets the refined petroleum products, including various grades of gasoline, diesel fuel, jet fuel, asphalt, chemicals, and petroleum coke. It operates refineries in Cheyenne, Wyoming and El Dorado, Kansas. The gasoline and diesel produced by Cheyenne refinery are primarily shipped via pipeline to terminals for distribution by truck or rail.  The gasoline, diesel, and jet fuel produced by this refinery are primarily shipped via pipeline to terminals for distribution by truck or rail.