ATAI [ATA] 6-K: (Original Filing)
[ATA Reports 2019 First Quarter Financial Results Conference Call on Monday, May 13, 2019, at 9 p.m. ET with Accompanying Investor Presentation ATA Inc. (ATA or the Company, Nasdaq: ATAI) Beijing, China, May 13, 2019 (NY) / May 14, 2019 (China) 2019 First Quarter and Subsequent Operating Highli]