Chapter, a technology company based in New York City, said it tripled its revenue last year by filling a market niche designing technology for seniors—specifically, those who have questions about the Medicare program.

The publicly traded EHR and cloud healthcare IT infrastructure company confirmed in a filing with the U.S. Securities and Exchange Commission that hackers were able to breach its network in March for roughly eight hours, gaining partial access to patient record stores. The incident is being investigated.

The policy shift by Aetna to reimburse hospital stays of fewer than five days as outpatient observation encounters went into effect in January. The insurer implemented the policy to reduce friction with hospitals that previously had to seek approval for inpatient reimbursement, which was often denied. Jefferson Health is challenging the changes in court.

On Tuesday, a judge formally rejected a motion by the company to have the case dismissed. Carelon Behavioral Health, a subsidiary of Elevance, is accused of publishing an inaccurate directory of providers for those seeking mental health services.

The cloud infrastructure company said in a recent investor meeting that its heavy spending on AI has been complicated by the global GPU and CPU shortage. Some 10,000 workers have reportedly been laid off, but the true number is unknown.