Facebook's stock price has had a rollercoaster year driven by an ad boycott, censorship controversies, and blockbuster results. Here are its biggest moves in 2020.

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• Facebook shares are seeing a steady fall as more advertising brands join a boycott movement against the social-media giant.
• The tech giant was one among the big few to perform comparatively well despite the storm of the pandemic, but its stock now tells us a different story.
• Markets Insider rounded up some of Facebook's big stock moves so far this year.
• Visit Business Insider's homepage for more stories.

As the poster child of Silicon Valley success, Facebook is very rarely a company that avoids the limelight, and 2020 has been no different.

In recent weeks, hundreds of brands have boycotted advertisement collaborations on the social-media platform over its refusal to censor or remove offensive posts by President Trump about protests in the wake of George Floyd's death at the hands of police in Minneapolis.

In a prominent example of one such post, Trump wrote in reference to protests in Minneapolis that "when the looting starts, the shooting starts."

Responding to Zuckerberg's inaction, over 400 brands including Coca-Cola, Starbucks, Unilever, Verizon, Ford, Ben & Jerry's, and The North Face halted their paid advertising on Facebook — some of them just for the month of July.

Facebook shares slid 8.3% last week as advertisers were joining the boycott against the platform.

That move, however, was not the only big shift in the company's stock price this year.

Markets Insider rounded up big stock moves for the company so far in 2020.