European stocks look set to open higher on Friday, with early-morning data showing the U.K. economic growth stalled in July.Futures tied to the regional Stoxx 50 index were last seen trading around 0.3% higher. Those linked to London's FTSE 100 were also up by 0.3%, as were those bound to Germany's DAX index and the French CAC 40.Data released on Friday morning showed that the U.K. economy recorded zero growth in July, following a 0.4% economic expansion the previous month. The economic flatlining adds to t ...