The following stocks were the biggest movers and shakers in the Services sector today.

Some of the biggest gainers among Services stocks include:

Wowo Ltd (WOWO): WOWO stock is up 13.18% today.

Sharpspring Inc. (SHSP): SHSP stock is up 11.3% today.

Simulations Plus (SLP): SLP stock is up 8.15% today.

Healthstream Inc (HSTM): HSTM stock is up 6.76% today.

Evolent Health Inc Class A Com (EVH): EVH stock is up 4.95% today.

51Job Inc (JOBS): JOBS stock is up 5.16% today.

Amedisys Inc (AMED): AMED stock is up 5.05% today.

Renren Inc (RENN): RENN stock is up 3.91% today.

Tenet Healthcare Corp (THC): THC stock is up 3.99% today.

21Vianet Group Inc (VNET): VNET stock is up 3.93% today.

Some of the biggest losers among Services stocks include:

Hortonworks Inc (HDP): HDP stock is down 35.12% today.

The9 Ltd (NCTY): NCTY stock is down 16.3% today.

Code Rebel Corp (CDRB): CDRB stock is down 17.21% today.

Tiger Media Inc (IDI): IDI stock is down 14.8% today.

Arrowhead Research Corp (ARWR): ARWR stock is down 14.85% today.

Weight Watchers International Inc (WTW): WTW stock is down 12.65% today.

Square (SQ): SQ stock is down 11.68% today.

Opower Inc (OPWR): OPWR stock is down 8.82% today.

Birner Dental Management Services (BDMS): BDMS stock is down 8.82% today.

Mobileye N.V. (MBLY): MBLY stock is down 4.94% 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.