Henry Schein falls after longtime CEO to retire 

** Shares of medical products distributor Henry Schein HSIC fall about 2% to $69.29 premarket

** HSIC says CEO Stanley Bergman will retire at the end of the year, after 45 years at the company; adds he will continue to serve as chairman of the board

** Co says it is commencing a formal search process for a new CEO and will consider internal and external candidates

** During his tenure, co's revenue grew from $225 million in 1989 to almost $13 billion in 2024- HSIC

** Given the new KKR investment, we see this broader timing as logical, allowing the board to begin to make some of the previously-discussed changes... that will no doubt be deepened under the new CEO- brokerage Evercore ISI

** Up to last close, stock up 2.1% YTD