BUZZ-Brazil's Embraer: shares up on WTO decision against Airbus
** Shares in Brazilian planemaker Embraer SA up as traders bet a World Trade Organization ruling on subsidies to Airbus could support Brazil's case against Canada's Bombardier in the trade body
** The WTO said the EU and four nations failed to comply with earlier rulings against 34 measures, including billions of dollars of European government loans to Airbus
** Brazil is considering a similar challenge against Canada over state funding to struggling planemaker Bombardier Inc that could hurt Embraer
** Common shares of Embraer rise 2.9 pct to 15.28 reais in midday trading, their biggest daily gain in two and a half weeks, paring back losses to 49 pct this year
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