EMERGING MARKETS-Latam markets climb on ECB move

SAO PAULO, Jan 22 (Reuters) - Latin American currencies and stocks were mostly higher on Thursday, with the biggest gains coming from Brazilian assets, after the European Central Bank announced a large-scale bond-buying program to help support the eurozone economy. The MSCI Latin American stock index rose for a third straight session to its highest level in more than six weeks. The ECB agreed on Thursday to embark on a quantitative easing program, which with its existing programs will pu