ChainCatcher reports that, according to Jinshi, the US dollar exchange rate fell during Thursday's Asian session, halting the rebound momentum from Wednesday. Market concerns about potential dollar depreciation have intensified again, overshadowing US Treasury Secretary Yellen's reaffirmation of a strong dollar policy. Damien Loh, Chief Investment Officer of hedge fund Ensemble Capital, stated that Yellen employed "strategic ambiguity" when discussing the dollar, attempting to ease market expectations of a comprehensive weak dollar policy.