 NANJING, China, Aug. 23, 2021 PRNewswire -- Tuniu Corporation NASDAQ:TOUR Tuniu or the Company, a leading online leisure travel company in China, today announced its unaudited financial results for the second quarter ended June 30, 2021. Highlights for the Second Quarter of 2021 Net revenues in the second quarter of 2021 increased by 373.1 year-over-year to RMB161.0 million US24.9 million1. 