The following companies had unusual price changes in Argentine trading. Stock symbols are in parentheses, and share prices are as of the close in Buenos Aires. The Merval (MERVAL) index fell 1.7 percent to 2,459.56.
YPF SA (YPFD) fell 2.4 percent to 116 pesos at 12:34 p.m. when trading was halted after government officials announced plans to nationalize the country’s largest oil company.
Repsol YPF SA (REP) , Spain’s largest oil company and YPF’s controller, fell 9.5 percent to 115 pesos, the biggest slump December 2008.
Central Puerto SA (CEPU2) (CEPU2 AF), a power generator, retreated 4.7 percent to 16.40 pesos, the biggest drop in almost two months. The YPF announcement dragged down all of the market, Augusto Posleman, head of private banking at Buenos Aires brokerage Puente Hermanos, said in a telephone interview.
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