Facebook and Twitter stock dives as advertiser pulls out

Shares of both Facebook and Twitter were down more than 7% in mid-day trading Friday after Unilever said it would pull its advertising from the social media companies for the rest of the year.

Shares of both Facebook and Twitter were down more than 7% in mid-day trading Friday after Unilever said it would pull its advertising from the social media companies for the rest of the year.