Group 1 - The article reports significant declines in the stock prices of several Chinese concept stocks, with Kuke Music experiencing the largest drop of 59.65% [1] - Mint follows closely with a decrease of 59.03%, while Haichuan Securities and Shangao Life Sciences saw declines of 33.32% and 32.93% respectively [1] - Shanyou International also faced a notable decline of 19.18% [1] Group 2 - The latest stock prices and trading volumes for the affected companies are provided, indicating Kuke Music's latest price at 0.1700 with a trading volume of 1139.4 thousand [1] - Mint's latest price is reported at 1.770 with a trading volume of 1593.52 million [1] - Haichuan Securities is listed at 0.3040 with a trading volume of 42.52 thousand, while Shangao Life Sciences is at 0.4100 with a trading volume of 1035.71 thousand [1] - Shanyou International's latest price is 2.570 with a trading volume of 302.75 million [1]