BuzzFeed reports: Robert Mercer, the hedge fund billionaire who has come under media scrutiny for his role in helping elect Donald Trump, announced today he would step down from his role as co-CEO of Renaissance Technologies. The decision, announced in a memo to Renaissance employees, followed a BuzzFeed News exposé revealing the connections of Breitbart — partially owned by Mercer — to white nationalists and neo-Nazis.

Sources familiar with Renaissance informed BuzzFeed News in recent days of significant anger within the company about the report, which revealed that former Breitbart tech editor Milo Yiannopoulos had cultivated white nationalists and used them to generate ideas and help edit stories on the site.

Mercer’s statement specifically denounces Yiannopoulos and states that “I was mistaken to have supported him, and for several weeks have been in the process of severing all ties with him.” He also announced his intention to sell his stake in Breitbart to his daughters. [Continue reading…]