AMN Healthcare Services Inc. (NYSE: AHS), the largest US healthcare staffing firm, changed its New York Stock Exchange trading symbol to “AMN” from “AHS.”

The change took effect with the opening of trading on Oct. 27.

“Over the last 30 years, AMN Healthcare has evolved to become the industry leader and innovator in healthcare workforce solutions and staffing services,” said CEO Susan Salka, president and CEO of AMN. “Our customers, clients, and clinicians rely upon our services to reduce costs and complexity, increase efficiency and deliver a quality patient experience. Our new symbol helps us harness the strength and recognition of our brand and helps us streamline our messaging to drive further awareness.”