Social media company Facebook has suffered the biggest one-day wipeout in US stock market history a day after executives forecast years of lower profit margins.

Facebook suffers $15 BN hit in a day

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http://vodakm.zeenews.com/vod/2707_wion_ab_facebook_s_record_fall.mp4/index.m3u8?em=yEtCZGm06oPBBgf7krkfvA&ex=1532675783

Social media company Facebook has suffered the biggest one-day wipeout in US stock market history a day after executives forecast years of lower profit margins.
