红黄蓝,3月20日,盘后,2018财报。 $红黄蓝教育(RYB)$ BEIJING, March 14, 2019 /PRNewswire/ -- RYB Education, Inc. ("RYB" or the "Company") (NYSE: RYB), a leading early childhood education service provider in China, today announced that it plans to release unaudited financial results for the fourth quarter and full year 2018 after market close on Wednesday, March 20, 2019.