https://www.cnbc.com/2018/08/23/fireeye-up-8-percent-on-news-of-facebook-google-findings.html

Cybersecurity giant FireEye rose as much as 8% in trading today on news that it has contracted with both Facebook and YouTube to help spot disinformation campaigns.

According to The New York Times, FireEye executives tipped Facebook off to an Iranian disinformation campaign, which led to further discoveries of other campaigns from both Iran and Russia.