Group 1 - The stock price of Stone Technology (688169.SH) fell by 5.33% to 200.22 yuan as of the market close on September 22 [1] - On February 21, 2025, Stone Technology's stock reached a year-to-date high of 272.42 yuan during intraday trading [2] - Research analysts from Open Source Securities maintained a "buy" rating for Stone Technology, highlighting its potential to become a benchmark enterprise in AI robotics applications [2] Group 2 - Open Source Securities analysts also projected that Stone Technology's revenue for Q4 2024 would exceed expectations due to more aggressive product and marketing strategies, maintaining a "buy" rating [2]