Core Insights - Zepp Health Corporation has experienced a significant turnaround, with its stock price increasing over 1,900% in 2025, primarily driven by the growth of its Amazfit brand [1][5] - The company's strategic shift from reliance on Xiaomi to focusing on its own Amazfit line has been pivotal in this recovery [3][4] Company Performance - Zepp Health reported revenue of $59 million in Q2 2025, marking a 46% year-over-year increase and its first revenue growth since 2021, with all growth attributed to Amazfit products [5] - The company has been building a roster of elite athletes as brand ambassadors, including notable figures like Derrick Henry [5] Strategic Shift - Originally known as Huami, the company transitioned to Zepp Health in 2021, moving away from the Xiaomi brand and focusing on developing its Amazfit line [3][4] - This strategic rebranding was initially risky, as the company faced consistent declines in share price and revenue prior to the recent growth [4]