Hisamitsu Pharmaceutical surged the most in more than 47 years after the Japanese maker of pain-relief patches announced it would go private in a management buyout valued at about $2.9 billion. https://www.japantimes.co.jp/business/2026/01/07/markets/hisamitsu-shares-jump-buyout/?utm_medium=Social&utm_source=mastodon #business #markets #hisamitsu #salonpas #pharmaceuticals #acquisitions