● Acadia Healthcare (ACHC) closed at $27.91 on Monday, down 0.64% from $28.09, after Raymond James lowered its rating.
Shares of Teleflex (NYSE:TFX) ended Monday, September 28, 2026 higher by 4.35%, at $127.38. The company is a medical-device maker producing single-use and specialty devices used across hospitals and other care settings.
PTC Therapeutics (NASDAQ:PTCT) was among the gainers in US markets on Monday, September 28, 2026, closing the session up 5.23% at $65.95. The biopharmaceutical company develops and commercializes treatments for rare disorders, with commercial products and a pipeline.
On Monday, September 28, 2026, Parabilis Medicines (NASDAQ:PBLS) rose 4.39% to finish at $32.57. The biopharmaceutical company works on a novel class of medicines aimed at hard-to-drug targets in areas such as cancer.
NewGenIvf Group (NASDAQ:NIVF), a penny stock, closed down 38.44% at $0.34 on Monday, September 28, 2026. The company operates in fertility and assisted-reproduction services.
NewAmsterdam Pharma (NASDAQ:NAMS) closed up 4.43% at $23.58 on Monday, September 28, 2026. The Netherlands-based, late-stage biopharmaceutical company is advancing obicetrapib, an oral CETP inhibitor for lowering LDL-C.
On Monday, September 28, 2026, MBX Biosciences (NASDAQ:MBX) rose 7.29% to finish at $57.54. The clinical-stage company develops precision peptide therapies for endocrine and metabolic disorders.
On Monday, September 28, 2026, DataMEDS AI (NASDAQ:MEDS), a penny stock, jumped 22.51% to finish at $3.81. The healthcare-technology company highlighted a mobile app launch and a deal involving Helomics, an AI-oriented cancer-laboratory business.
Lifecore Biomedical (NASDAQ:LFCR) was among the gainers in US markets on Monday, September 28, 2026, closing the session up 55.24% at $6.52. The company announced a definitive agreement to be acquired by Webster Equity Partners in a transaction valued at up to $663.7 million.
Shares of Liquidia (NASDAQ:LQDA) ended Monday, September 28, 2026 higher by 7.66%, at $73.67. The biopharmaceutical company is best known for its work in pulmonary hypertension, a serious condition affecting the blood vessels of the lungs.