The initiation of coverage by Leerink Partners with a Market Perform rating and a specific price target provides investors with a new professional analysis on Henry Schein's stock. However, a Market Perform rating suggests that the analyst believes the stock will perform in line with the market or its sector, indicating a neutral short-term impact on the stock price. The price target of $78 offers a reference point for investors but does not necessarily imply a significant short-term price movement.