Stifel analysts said Wednesday they are confident about their buy rating on Planet Fitness Inc.’s stock PLNT after hosting senior management for meetings that discussed the company’s three-year development targets, membership trends, new unit economics and click-to-cancel implications. The latter is currently being tested in Tennessee, where a December law allows anyone with a subscription to click and cancel it, irrespective of when or how they signed up. Other states are only allowing individuals to do that who joined after the law passed or who signed up online. “Management did not seem overly concerned with the TN…