Citi’s Ed Morse Sees WTI Crude at $55 by End of 2016 Colombia is nursing paper losses of more than $100 billion after its oil boom fell short of expectations, wiping out 90 percent of the value of what was once Latin America’s biggest company. From being the world’s fifth-most valuable oil producer at its zenith in 2012, worth more than BP Plc , state-controlled Ecopetrol SA now ranks 38th. Its market capitalization has fallen to $14.5 billion, down from its peak of $136.7 billion. “They just haven’t found oil, it’s as simple as that,” Rupert Stebbings, the managing director of equity sales at Bancolombia SA, said from Medellin. […]