The number of people receiving benefits fell 39,000 to 2 million.
Alexander Acosta is testifying before the Senate Health, Labor, Education and Pensions Committee.
Costume fees cut earnings.
Back wages will be paid to more than 16,000 workers.
Senate committee will hear from Alexander Acosta March 22.
Gains today led by technology, industrial companies.
2016 had smallest gain since 2011.
Labor Department says unemployment claims dropped by 19,000 from 242,000 the previous week.
Billion-dollar tech giant trying to digest shooting death of worker from India.
News strengthens case for the Fed to raise interest rates this year.