The benchmark Nikkei 225 Index rose 0.8% to close at 54,253.68, capping a 1.7% weekly gain. The broader Topix climbed 1.3% to 3,699.
Earnings season is in full swing in the world’s fourth-largest economy, and markets are on tenterhooks ahead of a vote on Sunday, with polls pointing to a decisive win for the ruling coalition of Prime Minister Sanae Takaichi, who is viewed as a fiscal dove.
Isetan Mitsukoshi rallied 7.1% after the department store operator lifted its full-year outlook on Friday. Toyota Motor jumped 2% after announcing a leadership shakeup and revising up its full-year forecast.
Food additive maker Ajinomoto soared 13.4%, the biggest daily percentage change since October 2008, after upgrading its full-year outlook on Thursday.
On the flip side, Subaru sank 5.5% after the automaker said U.S. tariffs weighed on its full-year outlook.
Soy sauce maker Kikkoman was the worst percentage loser on the Nikkei with a 7.5% drop after reporting results on Thursday.The impact of earnings, recent sharp share declines, and the weekend’s impending election contributed to a sense of tug-of-war in Tokyo’s equity markets, said Maki Sawada, an equities strategist at Nomura Securities.
“We continue to see significant individual stock-picking movements, with some stocks rising quite sharply and others falling,” Sawada added.
Shares of Japanese pharmaceutical companies slumped after U.S. President Donald Trump’s website offering discounted prescription medicines for Americans went live. Chugai Pharmaceutical, a Roche-affiliated biotech company, sank 5.7%.
There were 164 advancers on the Nikkei index against 58 decliners.