TOUR [Tuniu] 6-K: Tuniu Announces Management Change and Preliminary Results for
[Tuniu Announces Management Change and Preliminary Results for the Third Quarter of 2017 NANJING, China, Nov. 17, 2017 /PRNewswire/ -- Tuniu Corporation (NASDAQ: TOUR) ("Tuniu" or the "Company"), a leading online leisure travel company in China, today announced that Mr. Haifeng Yan, co-founder, Presi]