Group 1 - The core viewpoint is that A-share liquid cooling server concept stocks have seen significant price increases, with Invec hitting the daily limit and reaching a historical high [1] - Other notable performers include Kehua Data, which rose over 7%, and Shunling Environment and Keda, both increasing by over 5% [1] - Additional stocks that experienced gains include Leo Group, Feilong Co., Highlan Co., and Feirongda, indicating a broader trend in the sector [1] Group 2 - The formation of a MACD golden cross signal suggests a positive momentum for these stocks [2]