Many of the energy companies, such as Chesapeake Energy ( CHK), Marathon Oil ( MRO), Suncor Energy ( SU), Murphy Oil ( MUR), Williams ( WMB), and El Paso ( EP) all report this week.

FORBES: The Week Ahead: How Far Can the Bull Run?

Should they own shares in the new firm, Cenovus Energy ( CVE) or should they go with Suncor ( SU), one of the pioneers of oil sands development?

FORBES: Suncor or Cenovus: Which Is A Better Buy?