Cruiseferry operator Viking Line has logged less profit in the fourth quarter as revenue dipped. Net earnings were EUR 0.7m ($0.8), down from EUR 1.5m in 2017. Revenue was weaker at EUR 119.8m versus EUR 121.5m. Looking ahead, it said: "Competition in Viking Line's service area entails continued pressure on prices and volumes, which will have an adverse effect on net sales revenue per passenger." It expects operating income