EMERGING MARKETS-Latam markets slide on Chinese factory data

RIO DE JANEIRO, April 23 (Reuters) - Latin American markets fell on Wednesday as concerns over Chinese factory growth dragged on mining stocks and the currencies of countries that rely on commodity exports to China. MSCI's benchmark stock index for Latin America dropped 0.4 percent in a second session of losses after data showed China's factory activity shrank for the fourth straight month in April. "The Chinese data left investors more defensive toward emerging markets, especially tho