Twitter comeback continues with stronger user growth

Twitter has posted positive earnings results on the back of its renewed focus on its data business, appealing to marketers. The company, which has been spending big on improving the user experience, beat market expectations with an 18% jump in revenue to $787m in the...

Pinterest valued at $12.7 bn in IPO

Social scrapbooking site Pinterest has launched an initial public offering set the online scrapbook company’s valuation at $12.7bn. Pinterest started trading on the New York Stock Exchange on Thursday. Its performance will be a key test of the tech IPO market after...

Walmart buys ad tech startup Polymorph

Walmart is buying San Francisco-based ad tech startup Polymorph Labs as it looks to compete with online rival Amazon in targeting shoppers online. The world’s largest retailer has been building its own ad business though Amazon has significantly outpaced Walmart...