Avantor, Inc. (NYSE:AVTR) is one of the 10 Best Medical Stocks to Buy Under $30. On April 1, William Blair reaffirmed its Market Perform rating on Avantor, Inc. (NYSE:AVTR) after the company announced the departure of its Chief Financial Officer, Brent Jones. Jones will leave Avantor, Inc. (NYSE:AVTR) on or before June 24. Despite this leadership change, the company has maintained its 2026 guidance. This update comes after the company had cut its guidance twice in 2025 and an initial 2026 forecast that wa ...