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

Some of the biggest gainers among Services stocks include:

51Job Inc (JOBS): JOBS stock is up 3.17% today.

Weight Watchers International Inc (WTW): WTW stock is up 2.97% today.

Allegion Plc Ordinary Shares Wh (ALLE): ALLE stock is up 2.65% today.

Qunar Cayman Islands Ltd (QUNR): QUNR stock is up 2.51% today.

Zendesk Inc (ZEN): ZEN stock is up 2.43% today.

Vasco Data Security International (VDSI): VDSI stock is up 2.21% today.

Yodlee Inc (YDLE): YDLE stock is up 2.19% today.

Jiayuan.Com International Ltd (DATE): DATE stock is up 1.94% today.

Ebix Inc (EBIX): EBIX stock is up 1.77% today.

Logmein Inc (LOGM): LOGM stock is up 1.75% today.

Some of the biggest losers among Services stocks include:

Envirostarm Inc (EVI): EVI stock is down 8.18% today.

Retailmenot Inc (SALE): SALE stock is down 5.25% today.

Neogenomics Inc (NEO): NEO stock is down 4.7% today.

Aac Holdings Inc (AAC): AAC stock is down 4.29% today.

Tenet Healthcare Corp (THC): THC stock is down 4.23% today.

Rackspace Hosting Inc (RAX): RAX stock is down 4.22% today.

Portfolio Recovery Associates (PRAA): PRAA stock is down 4.17% today.

Almost Family Inc (AFAM): AFAM stock is down 4.11% today.

Apigee Corp (APIC): APIC stock is down 3.93% today.

Altisource Portfolio Solutions S.A. (ASPS): ASPS stock is down 3.74% 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.