Japan shares ended the week lower after BOJ Governor Kazuo Ueda warned US tariffs could hurt global and domestic growth.

The Nikkei 225 fell 2.75%, or 955.35 points, to end at 33,780.58.

US President Donald Trump's sweeping 24% tariffs on Japanese goods have raised fears of a global recession, with Ueda warning the levies could dampen both global and domestic growth by hurting sentiment and increasing uncertainty.

He said the central bank will closely assess the impact on prices and the economy ahead of its April 30-May 1 policy meeting.

Deputy Governor Shinichi Uchida said rate hikes remain on the table if inflation prospects improve.

In economic news, Japanese household spending fell 0.5% in real terms in February despite a 3.8% nominal rise, government data showed on Friday, as inflation continued to weigh on purchasing power.

Worker households saw income rise 1.9% nominally but drop 2.3% after adjusting for inflation.

On the corporate front, Sankyo Tateyama (TYO:5932) will halt rail component machining in Bonn, Germany, cutting 100 jobs.

The move is expected to result to a 1.2 billion yen loss in fiscal 2026 but boost earnings by 1.5 billion yen from 2027. It will sell part of the site to Univers Reisen GmbH for a 2 billion yen gain.

StemRIM (TYO:4599) secured a Chinese patent for Redasemtide, expanding its regenerative medicine pipeline.

Good Com Asset (TYO:3475) will offer digital gifts to shareholders after its Fukuoka listing. Holders of 500-999 shares will get 20,000 yen per period, while those with 1,000 or more receive 50,000 yen. Eligible gifts include Amazon and QUO card pay vouchers.