Facebook, Inc. (Nasdaq: FB) has gained close to 260 percent since coming public / Alessio Jacona, Flickr CC BY-SA 2.0
SNAP stock is up more than 30 percent from its $17 IPO price / AdamPrzezdziek, Flickr CC BY-SA 2.0
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Photogallery - 'Snapchat clone' Facebook Messenger Day sends FB stock to all-time high