Oil prices rose for the fourth straight day on Monday to hit levels not seen since late 2014, boosted by the latest trouble for Venezuelan oil company PDVSA and the possibility that the United States could re-impose sanctions on Iran. U.S. West Texas Intermediate (WTI) crude futures rose $1.01, or 1.5 percent, to settle at $70.73 a barrel. This was the first time since November 2014 that WTI had climbed above $70. Brent crude futures jumped $1.30, or 1.7 percent, to settle at $76.17 a barrel. U.S. oil major ConocoPhillips moved to take Caribbean assets of Venezuela’s state-run PDVSA to enforce a $2 billion arbitration award. “If ConocoPhillips is successful, then it will limit the revenues PDVSA will have and give them even more problems paying their bills […]