Oil may climb to $60 a barrel for the first time in almost a year and a half after Russia and other unaffiliated nations joined an OPEC pledge to reduce production and Saudi Arabia surprised the market by saying it will cut more than previously agreed. Non-OPEC nations said Saturday they will reduce output by 558,000 barrels a day, adding to a Nov. 30 OPEC commitment to cut 1.2 million starting in January. Brent crude has surged more than 20 percent since OPEC announced its first cut in eight years. Prices jumped as much as 6.6 percent to $57.89 a barrel in early Monday trading. The agreement is the first between OPEC and non-OPEC producers since 2001. It underscores the resolve to end a market-share war that exacerbated a global oversupply and caused prices to slump by 75 percent. The OPEC […]