Bloomberg General Motors Co is raising the stakes in the electric-vehicle race, boosting its investment in future technology for a second time in eight months with plans to spend $35 billion on more than 30 plug-in vehicles by 2025 and a total of four battery plants. The automaker said the stepped-up investment reflects stronger-than-expected financial results for the year. Higher …

Bloomberg Health and fitness apps, which help mobile-phone users track everything from calorie intake to menstruation dates, can access and share personal data in a way that’s concerning, according to a study published in the British Medical Journal. The analysis of more than 20,000 apps found that inadequate privacy disclosures for many of them prevented users from making informed choices …

Bloomberg Biel Crystal Manufactory Ltd, a supplier of cover glass to Apple Inc., is planning a Hong Kong initial public offering that could raise as much as $2 billion, according to people with knowledge of the matter. The maker of touch screens is working with China International Capital Corp., HSBC Holdings Plc and JPMorgan Chase & Co. on the offering, …