World shares climbed back toward record highs on Tuesday, as hopes that Washington may roll back some of the tariffs it has imposed on Chinese imports rekindled optimism on the global economic outlook.  A year-end rally looked to be building. Wall Street is on course for its best year since 2013, with gains of more than 20%, and MSCI’s all-country index just 1.5% shy of its record peak after advancing for a ninth day in 10. Europe’s main markets saw a comparatively subdued start, after reaching a 21-month high on Monday [.EU], but Asia raced to its highest in six-months, China’s yuan climbed above 7 per dollar and global bond yields were rising again. Hopes of a trade truce between the United States […]