BEIJING, Aug. 14, 2025 (GLOBE NEWSWIRE) -- Sunlands Technology Group (NYSE: STG) ("Sunlands" or the "Company"), a leader in China's adult online education market and China's adult personal interest learning market, today announced its unaudited financial results for the second quarter ended June 30, 2025. Second Quarter 2025 Financial and Operational Snapshots ___________________________________ 1 Net income margin is defined as net income as a percentage of net revenues. 2 New student enrollments for a giv ...