EMERGING MARKETS-Most Latam FX firm after Fed minutes, Brazil real retreats from gains

Most Latin American currencies firmed on Wednesday after minutes of the U.S. Federal Reserve's May meeting showed members agreeing to maintain their patient stance "for some time." Mexico's peso rose 0.4%, hitting a 2-1/2 week high, before retreating to trade 0.07% higher, while Colombia's currency climbed 0.1% as an interest rate hike in the United States - which usually spurs outflow from riskier emerging market bets - seemed unl