UPDATE 1-Soros says BlackRock's China investments likely to lose money – WSJ

(Adds quote from Soros on potential national security damage from investment) Sept 7 (Reuters) – Billionaire investor George Soros said BlackRock Inc investing billions of dollars into China now is a “mistake” and will likely lose money for the asset manager’s clients, according to an opinion piece in the Wall Street Journal. “Pouring billions of dollars into China now is a tragic mistake,” Soros wrote in the op-ed. “It is likely to lose money for BlackRock’s clients and, more important, will damage the national security interests of the U.S. and other democracies.” Last month, BlackRock became the first foreign asset…