We break down the biggest gainers and droppers in the Cheddar 50 index this year, plus one Japanese stock that's made a big splash in the U.S. in 2017.
On the plus side, shares of Square have risen about 160 percent this year as the digital payment company has expanded into new markets. And video game maker Take-Two Interactive has also more than doubled in 2017, as investors and fans both await the release of Red Dead Redemption 2 this spring.
But they weren't all winners. Pandora shares were down more than 60 percent as the music streaming service struggled to grow paying subscribers. And Blue Apron stock has dropped as much as 70 percent since its IPO in late June, losing its CEO and cutting jobs.
Plus, what about Japan's SoftBank? The tech holding company launched its $100 billion Vision Fund, which has made investments in Nvidia, WeWork and Flipkart. And we're still waiting for what could be a $10 billion investment in Uber.
The network of nearly 4,800 fake accounts was attempting to build an audience when it was identified and eliminated by the tech company, which owns Facebook and Instagram.
Someone in China created thousands of fake social media accounts designed to appear to be from Americans and used them to spread polarizing political content in an apparent effort to divide the U.S. ahead of next year's elections, Meta said Thursday.
Elon Musk had some harsh words for advertisers who have left his platform X over rising hate and anti-Semitism on the platform, formerly known as Twitter.