Oil swung between gains and losses above $45 a barrel after its biggest surge in seven months as OPEC boosted efforts to finalize a deal to cut production agreed at a September meeting in Algiers. Futures rose and fell by as much as 0.8 percent in New York after advancing 5.8 percent on Tuesday, rebounding from the lowest close in eight weeks. OPEC Secretary-General Mohammed Barkindo will tour member states after meeting with Saudi Arabia’s Minister of Energy and Industry Khalid Al-Falih in London, according to a person familiar with the talks. Russia plans informal consultations with members from the Organization of Petroleum Exporting Countries in Doha this week. Oil retreated for the past three weeks amid skepticism about the ability of OPEC to implement a deal at its Nov. 30 […]