Shigeru Ishiba denied he had decided to quit after a source and media reports said he planned to announce his resignation to take responsibility for a bruising upper house election defeat.

The reports come after Trump announced a trade deal with Japan, and days after Ishiba's governing coalition lost its majority in the country's upper house.

The embattled prime minister said he would remain in office to oversee tariff talks with the United States and other pressing matters.

Embattled Japanese Prime Minister Shigeru Ishiba is facing speculation that his days are numbered after facing a historic defeat in the upper house election on Sunday.

Japan's embattled prime minister Shigeru Ishiba, fresh off a crushing defeat in upper house elections over the weekend, will not be in a position of strength to negotiate a favorable trade deal with the U.S., analysts said.

Japanese Prime Minister Shigeru Ishiba on Monday stressed the need to establish a common understanding among parties on the pros and cons of cutting the country's sales tax rate.

Japanese Prime Minister Shigeru Ishiba sought to buy time in office following a second election setback in less than a year. But whether he stays days, weeks or even months, Sunday’s vote made clear that his Liberal Democratic Party needs an overhaul to stay relevant.

TOKYO — Japanese Prime Minister Shigeru Ishiba said Monday he will stay in office to tackle challenges such as rising prices and high U.S. tariffs after a weekend election defeat left his coalition with a minority in both parliamentary chambers and triggered calls for his resignation.

World markets are mixed after U.S. stock indexes hit new records. Oil prices fell and U.S. futures were little changed.