GLOBAL MARKETS-Investors look past Ukraine, focus on ECB

(Adds performance of Latin American stocks, updates prices) * European markets shrug off Ukraine-Russia tension * Euro steady after touching 1-year low versus dollar * Chinese manufacturing data underscore cooling risk * U.S. markets closed for Labour Day holiday By Marc Jones LONDON, Sept 1 (Reuters) - World markets advanced on Monday despite the conflict in Ukraine, focusing on whether the European Central Bank will announce plans for economic stimulus when it meets th