The Institute for Supply Management released its non-manufacturing purchasing managers' index for the U.S. on Wednesday. The index climbed to 56.7 in January from 56.5 in December, exceed expectations for a rise to 56.6.
A reading above 50 indicates a growth in the service sector.
The ISM's new orders index rose to 59.5 in January from 59.2 in December.
The ISM's business activity/production index increased to 61.5 in January from 58.6 December.
The ISM's employment index fell to 51.6 in January from 55.7 in December.