EMERGING MARKETS-Latam currencies weaken on China; Argentine assets spike on Macri

SAO PAULO, Nov 23 (Reuters) - Latin American currencies weakened on Monday as persistent worries about the Chinese economy hit commodity prices and reduced the demand for high-yielding emerging market assets. The Chilean peso dropped 0.8 percent after prices of copper, its main export, fell to the lowest level in more than six years. The Brazilian real declined 0.7 percent, reversing gains it posted on Friday during a local holiday. Volumes were thin in Brazilian markets as investors avo