A day after disclosing its 12% stake in Snap, China's Tencent says it can help the messaging app bring mobile games and a new ad-based newsfeed to its platform. Plus Roku shares soared after the streaming services company posted better-than-expected revenues and a smaller-than-expected loss. Square, meanwhile, saw its shares drop despite solid results. Jack Dorsey's other company saw gross payments volume rise 31% and revenues up 45%. And Uber's rolling out a new campaign to encourage drivers to sign up for Obamacare after the Trump administration cut marketing for the Affordable Care Act by 90%.