Mumbai, May 15 -- Japanese stock markets ended lower on Friday, extending losses from the previous session as investors reacted to rising geopolitical tensions in the Middle East and developments from the Trump-Xi summit.

The Nikkei 225 Index dropped 1.99% to close at 61,409, while the broader Topix Index slipped 0.39% to 3,864.

Investor sentiment weakened as oil prices headed for a strong weekly gain following stalled US-Iran talks and the continued closure of the Strait of Hormuz. Higher oil prices are a major concern for Japan, which relies heavily on imported energy.

Markets also turned cautious after Chinese President Xi Jinping warned during talks with U.S. President Donald Trump that Taiwan could become a source of conflict betw...