$49.4 billion has been wiped off Facebook's market value this week. Investors punished Facebook after Cambridge Analytica, which had ties to President Trump's 2016 campaign, reportedly accessed information from about 50 million Facebook users to influence voters. Facebook has become one of America's most valuable companies, with a market cap of around $488 billion. Its $49.4 billion loss in market value this week is larger than the market valuation of Ford, eBay or Delta. Related: Facebook's data crisis deepens as questions mountZuckerberg holds around 400 million shares of Facebook.

Source: CNN March 20, 2018 16:19 UTC