The 2016 election is coming back to haunt Facebook's profits

Facebook took its biggest financial hit to date as its stock plummeted by about 19%, one of the largest single-day drops ever for a company. Investors reacted to a quarterly report announcing profits won't be as high as hoped going forward because the company is making moves to shore up privacy and filter out misinformation and hate speech. Jeffrey Brown learns more from Casey Newton of The Verge.