American Shared Hospital Services shares rise 3.07% after-hours due to Henry Schein Medical expanding SolutionsHub with Colaborate.

American Shared Hospital Services rose 3.07% in after-hours trading, with the company's stock price increase potentially influenced by the broader health care sector's positive sentiment due to deal activity. This includes Novartis' acquisition of Tourmaline Bio for $1.4 billion, which boosted the shares of health-care companies.