EMERGING MARKETS-Latam currencies drop on Lockhart report; politics sinks real

SAO PAULO, Aug 4 (Reuters) - Latin American currencies weakened on Tuesday after the Wall Street Journal reported that Atlanta Federal Reserve president Dennis Lockhart would likely support a rate hike in September, while Brazil's currency sank on concerns over the economic implications of an ongoing corruption investigation. Mexican and Chilean stocks rose slightly, though a decline in Brazilian bank shares dragged the broader MSCI Latin American stock index to a 1 percent loss. The re