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

Some of the biggest gainers among Services stocks include:

Scientific Games Corp (SGMS): SGMS stock is up 24.41% today.

Alarm.Com Holdings Inc (ALRM): ALRM stock is up 23.98% today.

Evolent Health Inc Class A Com (EVH): EVH stock is up 18.25% today.

Splunk Inc (SPLK): SPLK stock is up 11.73% today.

Baidu Inc (BIDU): BIDU stock is up 10.64% today.

Kindred Healthcare (KND): KND stock is up 8.97% today.

Synchronoss Technologies (SNCR): SNCR stock is up 0.63% today.

Capital Senior Living Corp (CSU): CSU stock is up 5.36% today.

Simulations Plus (SLP): SLP stock is up 2.06% today.

Opower Inc (OPWR): OPWR stock is up 2.69% today.

Some of the biggest losers among Services stocks include:

Weight Watchers International Inc (WTW): WTW stock is down 24.37% today.

Connecture Inc (CNXR): CNXR stock is up 0.97% today.

Portfolio Recovery Associates (PRAA): PRAA stock is down 20.49% today.

Tal International Group (TAL): TAL stock is up 3.02% today.

H&E; Equipment Services (HEES): HEES stock is down 6.09% today.

American Software (AMSWA): AMSWA stock is down 4.32% today.

Webmd Health Corp (WBMD): WBMD stock is up 0.33% today.

Applied Dna Sciences (APDN): APDN stock is down 2.87% today.

21Vianet Group Inc (VNET): VNET stock is up 0.28% today.

Newtek Business Services Inc (NEWT): NEWT stock is up 2.32% 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.