LONDON / Reuters Gucci is on course to top 4 billion euros ($4.5 billion) in revenue for the first time this year as the Italian luxury brand’s revival gathers speed under its new leadership duo. Sales of items designed by new creative director Alessandro Michele have accelerated since March as more have reached shelves, Chief Executive Officer Marco Bizzarri told …

  Sofia / Bloomberg The Bulgarian government started a tender for a 35-year concession to operate Sofia Airport, the country’s biggest, demanding at least 660 million lev ($382 million) in initial payment. The concessionaire will be required to invest at least 307 million lev in the airport, which includes building a new terminal with an annual capacity of 3 million …

  MENLO PARK / Tribune News Service With a microphone floating in zero gravity, three astronauts aboard the International Space Station chatted with Facebook CEO Mark Zuckerberg via live video about life in space. The social media company has been ramping up its efforts in live video this year, taking on Twitter-owned Periscope. The recent event was the first time …