Continue » Image source: Getty Images. Shares of budget-conscious fitness center Planet Fitness (NYSE: PLNT) are down 32% as of 11 a.m. ET after the company reported underwhelming first-quarter earnings. During Q1, Planet Fitness grew sales and adjusted earnings per share (EPS) by 22% and 25%, respectively, sailing past Wall Street's consensus. However, the company saw net new member adds decline 36% from last year's level, prompting management to slash its 2026 guidance. Originally projecting revenue and E ...