 Argentine stocks reverse course after strong surge Near-term rally an opportunity to pare back on Arg peso-Citi Brazils largest lender Itau Unibanco falls after weak results Ecopetrol rises on narrowly avoiding loss in Q2 Updates prices By Ambar Warrick and Susan Mathew Aug 4 Reuters - Brazils real firmed on Tuesday, cheered by a rise in industrial output, while Argentine bonds rose after the country struck a deal to restructure 65 billion in sovereign debt. After multiple deadline extensions, Argentina said it had reached a deal with three creditor groups, which potentially could help it climb out of a damaging default and revive the recession-hit economy. Argentinas Merval stock index, which had jumped 6.6 on Monday and almost 7 this session to scale a record high, reversed course to trade 0.7 lower. 