The Services sector saw plenty of trading activity today, including the following leaders and losers.

Some of the biggest gainers among Services stocks include:

Healthstream Inc (HSTM): HSTM stock is up 9.97% today.

Anavex Lf SC Cm (AVXL): AVXL stock is up 4.99% today.

Tiger Media Inc (IDI): IDI stock is up 8.47% today.

Qunar Cayman Isl Ads (QUNR): QUNR stock is up 4.34% today.

Netqin Mobile Inc (NQ): NQ stock is up 6.32% today.

Amaya Inc. Cmn Stk (AYA): AYA stock is up 4.27% today.

Regis Corp (RGS): RGS stock is up 3.18% today.

Renren Inc (RENN): RENN stock is up 3.15% today.

Evolent Health Inc Class A Com (EVH): EVH stock is up 3.4% today.

Apigee Corp Cm ST (APIC): APIC stock is up 1.86% today.

Some of the biggest losers among Services stocks include:

Code Rebel Cp Cmn (CDRB): CDRB stock is down 12.83% today.

Jupai Holdings Ltd (JP): JP stock is down 13.24% today.

Senomyx Inc (SNMX): SNMX stock is down 1.1% today.

Rent-A-Center Inc (RCII): RCII stock is down 3.9% today.

3D Systems Corp (DDD): DDD stock is down 2.45% today.

Ehi Car Services Ltd (EHIC): EHIC stock is down 4.46% today.

Materialise Nv Ads (MTLS): MTLS stock is down 2.61% today.

Xenia Hotels & Resorts Inc (XHR): XHR stock is down 2.53% today.

Rocket Fuel Inc (FUEL): FUEL stock is down 0.32% today.

Exact Sciences Cor (EXAS): EXAS stock is down 1.29% 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.