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Group 1 - The article highlights the performance of various industries year-to-date, with the non-ferrous metals sector leading with a gain of 36.96% [2] - The communication industry follows closely with a 36.57% increase, while machinery equipment and pharmaceutical biotechnology sectors also show strong performance with gains of 27.45% and 26.35% respectively [2] - In contrast, the coal industry has experienced the largest decline at -7.61%, followed by the food and beverage sector at -5.60% [2] Group 2 - The article mentions the formation of a MACD golden cross signal, indicating a potential bullish trend for certain stocks [3]