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

Some of the biggest gainers among Services stocks include:

Aac Holdings Inc (AAC): AAC stock is up 2.18% today.

Evolent Health Inc Class A Com (EVH): EVH stock is up 2.14% today.

Arrowhead Research Corp (ARWR): ARWR stock is up 1.97% today.

Model N Inc. Common Stock (MODN): MODN stock is up 1.96% today.

Progress Software Corp (PRGS): PRGS stock is up 1.8% today.

Chinacache International (CCIH): CCIH stock is up 1.73% today.

Shopify Inc (SHOP): SHOP stock is up 1.69% today.

Tucows Inc (TCX): TCX stock is up 1.68% today.

The Keyw Holding Corp (KEYW): KEYW stock is up 1.66% today.

Oncothyreon Inc (ONTY): ONTY stock is up 1.66% today.

Some of the biggest losers among Services stocks include:

Diversicare Healthcare Services Inc (DVCR): DVCR stock is down 1.88% today.

Innodata Isogen Inc (INOD): INOD stock is down 1.87% today.

Grubhub Inc (GRUB): GRUB stock is down 1.86% today.

Perion Network Ltd (PERI): PERI stock is down 1.82% today.

Outerwall Inc (OUTR): OUTR stock is down 1.8% today.

Egain Comm Corp (EGAN): EGAN stock is down 1.71% today.

SP Plus Corporation (SP): SP stock is down 1.7% today.

Chegg Inc (CHGG): CHGG stock is down 1.68% today.

Concord Medical Services (CCM): CCM stock is down 1.63% today.

Almost Family Inc (AFAM): AFAM stock is down 1.59% 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.