Japan's leading index that measures the future economic activity, climbed to 101.2 in August from 100 in July, preliminary data from the Cabinet Office showed Friday. This was the highest score since November 2015, when the reading was 101.5. Meanwhile, the coincident index, which reflects the current situation, fell marginally to 112 from 112.1 a month ago. The expected level was 111.8. The lagging index improved to 113.4 from 113.1 in the prior month.