Rihanna

Snapchat stocks dropped by nearly 5 percent after singer Rihanna called out Snapchat for running an ad that made light of domestic violence by referencing the 2009 incident when the singers then boyfriend Chris Brown physically assaulted her. Snapchat stocks dropped on Thursday as the ad immediately received a vocal backlash on social media, with notables like Chelsea Clinton coming forward to question Snapchat's judgment in choosing to run the ad, reports time.com.