A man walks by a poster advertising the renminbi (RMB) currency (Chinese yuan) in Hong Kong on August 18, 2011. Chinese Vice Premier Li Keqiang unveiled economic sweeteners and reaffirmed the Hong Kong’s status as a hub for Beijing’s ambitious goal to turn the yuan into a global currency rivalling the US dollar. AFP PHOTO / LAURENT FIEVET (Photo credit should read LAURENT FIEVET/AFP/Getty Images)