MarketsNikkei Average hits record high led by sustained rise in tech stocksA board shows Nikkei Stock Average trading activity on May 29 in Tokyo. Asian stocks soared amid expectations for a tentative deal between the U.S. and Iran. (Photo by Rie Ishii)AKANE OKUTSUMay 29, 2026 16:33 JSTTOKYO -- Japan and South Korea stocks hit new historical highs on Friday amid expectations of a tentative deal between the U.S. and Iran, which some reports say would include removing restrictions on passage through the Strait of Hormuz, while tech-related stocks continued to drive up the benchmark indices.