Tech Digest daily roundup: Sir Richard Branson sells $300 million stake in Virgin Galactic

British billionaire Sir Richard Branson has sold around $300m (£216.8m) of Virgin Galactic stock, leveraging his biggest listed asset to prop up other parts of his business empire. The 71-year-old offloaded almost 10.5m shares, equivalent to around 4pc of the space-travel company, through his Virgin Investments Group. This is the third sale Sir Branson has…

Tech Digest daily round up: TikTok ‘closely controlled by Chinese parent company’

Former TikTok employees say the hugely popular video app is closely controlled by its Chinese parent company ByteDance, raising privacy concerns that the government in Beijing could leverage the app to collect personal information about Americans as part of its sprawling digital surveillance apparatus. Former employees told CNBC in a new report that key decisions and meetings usually ran through China, and…