EMERGING MARKETS-Latam assets slump on Fed rate concerns, Argentina peso touches fresh record low

* Latam FX down 1.7%, stocks down 3.2% * MSCI Latam Stocks index set for worst day since Dec * Brazil's industrial output rises less than expected * Argentina's bonds, peso hit ahead of elections (Updated at 3:45pm ET/1945 GMT) By Johann M Cherian and Lisa Pauline Mattackal Oct 3 (Reuters) – Latin American markets slumped on Tuesday, with indexes tracking currencies and stocks both set for their worst day in months as rising U.S. Treasury yields dented the appeal of risk assets, while Argentina's peso hit a fresh record low. MSCI's index of Latin American currencies was down 1.7%, trading at a four-month low in its biggest daily loss since February, while the index tracking stocks fell 3.2% to a five-month low in its worst day since December.