planet fitness inc stock plnt rose 11 in premarket trade tuesday after the operator of fitness centers outlined growth plans ahead of an investor day pledging to double its member base and accelerate international growth the hampton new hampshirebased company said its targeting annual revenue growth in the lowtomid teen percent rate over the next three years its also targeting adjusted pershare earnings growth in the lowtomid 20 rate with the higher end of the range to be achieved through its recently announced 500 million share buyback program we emerged as the clear industry winner coming out of the global pandemic having entered it from a position of strength at both the franchisor and franchisee levels said chris rondeau chief executive officer in a statement shares have fallen 20 in the year to date while the sp 500 spx has fallen 17