Rigaku Holdings Hits Day High with 9.01% Surge in Strong Intraday Performance

Rigaku Holdings Co., Ltd., a mid-cap player in the Pharmaceuticals & Biotechnology sector, has experienced significant activity today, gaining 9.01% as of May 29, 2026. The stock reached an intraday high of JPY 2,830.00, reflecting a strong performance compared to the Japan Nikkei 225, which rose by 2.53% on the same day. Over the past week, Rigaku Holdings has shown a 7.14% increase, outperforming the Nikkei's 4.72% rise. In the longer term, the stock has delivered impressive returns, with a remarkable 282.43% increase over the past year, significantly surpassing the Nikkei's 72.58% gain. Year-to-date, Rigaku has also performed well, with a 128.77% increase compared to the Nikkei's 31.76%. Despite these gains, the company faces challenges, including a high price-to-book ratio of 7.27 and a return on equity of 12.90%. Additionally, while the stock has appreciated significantly, its profits have declined by 17% over the past year. These factors contribute to a complex financial landscape for Rigaku Holdings as it navigates its market position.