Three biotechs IPOs priced this week while one gene therapy developer postponed its plans. The biggest IPO belongs to Talaris Therapeutics, a company developing a cell therapy for organ transplant patients that could mean the end of lifelong immunosuppressive drugs that prevent rejection.

Hospitals acquired by PE firms tend to have higher operating margins than those that are not acquired and that gap widens over time, a new study shows. But it is too early to say whether these glowing financial figures equate to better support for clinical care.

Walmart is buying telehealth provider MeMD, adding virtual urgent care and therapy visits. Walmart said the deal would complement the in-person health centers it is building in some of its stores.