The following stocks were moving the Services sector today.

Some of the biggest gainers among Services stocks include:

Cai International (CAI): CAI stock is up 20.99% today.

Sorrento Therapeutics (SRNE): SRNE stock is up 15.47% today.

Brookdale Senior Living Inc (BKD): BKD stock is up 11.89% today.

Five9 Inc (FIVN): FIVN stock is up 10.14% today.

Arrowhead Research Corp (ARWR): ARWR stock is up 10.39% today.

New Relic Inc (NEWR): NEWR stock is up 8.26% today.

Altisource Portfolio Solutions S.A. (ASPS): ASPS stock is up 9.31% today.

Zendesk Inc (ZEN): ZEN stock is up 8.93% today.

Chinacache International (CCIH): CCIH stock is up 9.15% today.

Psychemedics Corp (PMD): PMD stock is up 7.2% today.

Some of the biggest losers among Services stocks include:

Blucora Inc (BCOR): BCOR stock is down 4.39% today.

Innovative Solutions and Support (ISSC): ISSC stock is down 2.91% today.

Bsquare Corp (BSQR): BSQR stock is down 2.94% today.

Tiger Media Inc (IDI): IDI stock is down 2% today.

Amber Road Inc (AMBR): AMBR stock is down 4.99% today.

U.S. Physical Therapy (USPH): USPH stock is down 2.56% today.

NCI Inc (NCIT): NCIT stock is down 1.9% today.

Planet Payment (PLPM): PLPM stock is down 2.21% today.

Diversicare Healthcare Services Inc (DVCR): DVCR stock is down 1.78% today.

For more information on the best stocks to buy right now, check out the latest commentary on InvestorPlace.com.

And for more on the hot stocks moving most on Wall Street right now, check out our archive of daily market movers by sector here.

Editor’s Note: Returns for the fastest-moving stocks listed here are based on share prices 20 minutes prior to publication of this story.