BUENOS AIRES, April 3 (Reuters) - Argentina's stock, currency and bond market trends on Friday.
* The MerVal stocks index .MERV jumped 5.49 percent to 1,196.97, the highest close since the first week of the year, catching up with gains made on Wall Street a day earlier, when there was a holiday in Argentina.
* Petrobras Energia Participaciones PCH.BA, the Argentine unit of Brazil's state oil company Petrobras, soared 9.7 percent to close at 2.37 pesos per share.
* On the broad market, stocks volume was high at $20 million. Of active issues, 50 advanced, 16 declined and 15 were unchanged.
* Prices for government bonds traded over-the-counter in Buenos Aires rose an average 3 percent as optimism over emerging markets spread after G20 leaders met in London on Thursday and pledged more money for international lenders.
* The dollar-denominated Boden 12 ARBODEN12D=RASL gained 7.4 percent to an ask price of 26.3.
* In formal exchange between banks, the peso gained 0.47 percent to its strongest close in more than a week at 3.6900/3.6950 per dollar ARS=RASL as the Central Bank injected dollars into the market to halt a persistent slide in the local currency.
* In informal trade between foreign exchange houses, as measured by Reuters, the peso strengthened by 0.67 percent to end at 3.7450/3.7500 ARSB=. (Reporting by Jorge Otaola and Walter Bianchi, writing by Fiona Ortiz; editing by Jonathan Oatis)