 Shares of Planet Fitness Inc. PLNT, 1.97 bounced 2.2 in afternoon trading Monday, after the fitness center company was doubled upgraded at Raymond James, citing a highly resilient business model and attractive valuation. Analyst Joseph Altobello raised his rating by two notches to strong buy from market perform, while setting a price target for the stock PLNT of 70, which implied about 23 upside from current levels. 