US private sector adds 153,000 jobs in December, says ADP

US private-sector employment increased by 153,000 from November to December, on a seasonally adjusted basis, according to ADP's latest national employment report.

Small firms (1-49 employees) added 18,000 jobs, midsized companies (50-499) added 71,000 jobs and large companies (500 or more employees) added 63,000 jobs.