The photo and video app Snapchat continues to gain users, but can’t make a profit, figures released on Tuesday showed. Over the past three months, the number of daily active users worldwide rose by 11 million or 9% to 443 million, the company said. However, in the lucrative US market, it has stagnated at 100 million a year. Snapchat’s parent company, Snap, is struggling to turn user activity into profits. Third quarter revenue increased by an annual 15% to $1.37 billion, which was slightly above analysts’ expectations. But the company still lost some $153 million. This was a 58% improvement co…