Yellen's policies as the Federal Reserve chairwoman helped lower unemployment and spur the country's economic recovery after the 2008 financial crisis, but her legacy will partially depend in part on her successor, Jerome Powell.
Trump's default mode is to describe all unwelcome facts as the result of cheating by his opponents.
Fears of a China-led global slowdown, along with oil's steep slide, have dampened the market's expectations for a hike.
Even projections for future rate hikes have coalesced.
The move was expected and signals a recovery in the economy since the 2008 financial crisis.
Yellen spoke a week after the Fed delayed a long-anticipated rate hike.
Yellen appeared to lose her place and stopped several times during a speech in Amherst.
A moderately growing U.S. economy can’t sustain growth abroad on its own for long.