Starbucks, the global coffee giant, has reported a sharp rise in group profits of 86% to $278.9m (£171.4m) – and said that in the UK it recorded its fifth consecutive quarter of like-for-like sales growth of 6%. Revenue for its first quarters was $2.84bn, up from $2.42bn. As a result of the strong performance, Starbucks raised its profits forecast for next year. Globally, Starbucks’s same store sales increased 8%, owing to a 5 per cent increase in traffic and a 2 per cent rise in average customer ticket compared with the fourth quarter of 2009. Net profit for the year to the beginning of October more than doubled, from $390.8m to $945.6m. Starbucks said the rising price of coffee would likely drive its 2011 earnings per share down by 8 cents to 10 cents . Howard Schultz, Stabucks founder and chief executive, said: "I am delighted with the record fourth quarter and full-year results we announced today. "These results are particularly gratifying in light of the formidable economic challenges that our customers and we continue to confront in virtually every country and every market in which we operate."