Group 1 - The investigation revealed that Yang, during his tenure in Yaan, was involved in business activities that violated regulations, including the establishment of a company with other public officials, which generated a total revenue of 829,800 yuan and a profit of 120,000 yuan [2] - Yang was found to have concealed the birth of a second child, which was against regulations, but due to his resignation and the expiration of relevant penalties, no further action could be taken against him [3] - The investigation confirmed that the expensive earrings associated with Yang were actually a gift and were determined to be imitation jewelry, with no records of purchases from the brand's official stores [4] Group 2 - No additional illegal or unethical behavior was discovered during Yang's time in Yaan [5] - The local government expressed gratitude for the public's concern and support regarding the investigation [6]