U.S. Treasury Secretary Steven Mnuchin arrives for a Senate Banking, Housing, and Urban Affairs Committee hearing regarding housing finance reforms on Capitol Hill in Washington D.C., the United States, on Sept. 10, 2019. (Photo: Xinhua)

U.S. Treasury Secretary Steven Mnuchin speaks at a Senate Banking, Housing, and Urban Affairs Committee hearing regarding housing finance reforms on Capitol Hill in Washington D.C., the United States, on Sept. 10, 2019.

U.S. Treasury Secretary Steven Mnuchin speaks at a Senate Banking, Housing, and Urban Affairs Committee hearing regarding housing finance reforms on Capitol Hill in Washington D.C., the United States, on Sept. 10, 2019.

U.S. Treasury Secretary Steven Mnuchin speaks at a Senate Banking, Housing, and Urban Affairs Committee hearing regarding housing finance reforms on Capitol Hill in Washington D.C., the United States, on Sept. 10, 2019.