WASHINGTON, DC - JUNE 21: U.S. Federal Reserve Board Chairwoman Janet Yellen arrives for testimony before the Senate Banking, Housing and Urban Affairs Committee June 21, 2016 in Washington, DC. The committee heard testimony from Yellen on "The Semiannual Monetary Policy Report to the Congress." (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - JUNE 21: U.S. Federal Reserve Board Chairwoman Janet Yellen testifies before the Senate Banking, Housing and Urban Affairs Committee June 21, 2016 in Washington, DC. The committee heard testimony from Yellen on "The Semiannual Monetary Policy Report to the Congress." (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - JUNE 21: U.S. Federal Reserve Board Chairwoman Janet Yellen testifies before the Senate Banking, Housing and Urban Affairs Committee June 21, 2016 in Washington, DC. The committee heard testimony from Yellen on "The Semiannual Monetary Policy Report to the Congress." (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - JULY 16: Federal Reserve Board Chair Janet Yellen testifies during a hearing before Senate Banking, Housing and Urban Affairs Committee July 16, 2015 on Capitol Hill in Washington, DC. The committee held a hearing on "The Semiannual Monetary Policy Report to the Congress." (Photo by Alex Wong/Getty Images)
WASHINGTON, DC - JUNE 21: U.S. Federal Reserve Board Chairwoman Janet Yellen testifies before the Senate Banking, Housing and Urban Affairs Committee June 21, 2016 in Washington, DC. The committee heard testimony from Yellen on "The Semiannual Monetary Policy Report to the Congress." (Photo by Win McNamee/Getty Images)
