The following stocks were moving the Services sector today.

Some of the biggest gainers among Services stocks include:

Command Security Corp (MOC): MOC stock is up 11.65% today.

Arrowhead Research (ARWR): ARWR stock is up 7.11% today.

Community Health Systems (CYH): CYH stock is up 6.63% today.

Exelixis Inc (EXEL): EXEL stock is up 5.96% today.

Team Inc (TISI): TISI stock is up 3.96% today.

Opower Inc (OPWR): OPWR stock is up 3.9% today.

Callidus Software (CALD): CALD stock is up 3.86% today.

Servicesrce Intl Inc (SREV): SREV stock is up 3.7% today.

Ciber Inc (CBR): CBR stock is up 3.52% today.

Tiger Media Inc (IDI): IDI stock is up 3.25% today.

Some of the biggest losers among Services stocks include:

Nanoviricides Inc (NNVC): NNVC stock is down 6.73% today.

Wowo Ltd Ads (WOWO): WOWO stock is down 6.03% today.

Care.Com Inc (CRCM): CRCM stock is down 5.6% today.

Electro Rent Cp (ELRC): ELRC stock is down 5.01% today.

Genesis Healthcare Inc (GEN): GEN stock is down 4.91% today.

Quinstreet Inc (QNST): QNST stock is down 4.58% today.

Lendingclub Corp (LC): LC stock is down 3.98% today.

Mantech Intl Cp A (MANT): MANT stock is down 3.86% today.

Simulations Plus Inc (SLP): SLP stock is down 3.74% today.

Fleetmatics Group Plc (FLTX): FLTX stock is down 3.64% 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.