(Telecompaper) Snap, the owner of the Snapchat app, reported revenues for the fourth quarter up 36 percent year-on-year to USD 390 million, better than the company's guidance. Its gross margin improved sharply to 45 percent, and the operating loss narrowed to USD 195 million. The adjusted EBITDA loss reduced to USD 50 million from USD 159 million a year ago, also better than expected, and the net loss was USD 192 million, compared to a loss of USD 350 million in Q4 2017.