EMERGING MARKETS-Colombian peso skyrockets on higher oil prices, Fed

SAO PAULO, Dec 18 (Reuters) - Colombia's peso soared on Thursday after the price of oil, the country's main export, extended a rebound from five-year lows. Other Latin American currencies followed suit as an upbeat assessment of the U.S. economy by the Federal Reserve on Wednesday helped offset mounting concerns over the recent decline in oil prices and a potential financial crisis in Russia. Colombia's peso posted its biggest intraday gain in nearly four years, strengthening to 2,324 pe