Group 1 - The CPO concept stocks in the A-share market have seen significant gains, with notable increases in share prices for several companies [1] - Robotech has risen by 7.21%, with a total market capitalization of 48.9 billion and a year-to-date increase of 24.95% [2] - Lian Technology and Zhongji Xuchuang both experienced increases of over 6%, with Lian Technology rising by 6.76% and a market cap of 25.5 billion, while Zhongji Xuchuang rose by 6.68% with a market cap of 702.9 billion [2] Group 2 - New Yiseng and Huilv Ecology also saw gains of over 5%, with New Yiseng increasing by 5.22% and a market cap of 40.16 billion, and Huilv Ecology rising by 5.20% with a market cap of 19.2 billion [2] - The MACD golden cross signal has formed, indicating a positive trend for these stocks [1]