Techcom Securities Joint Stock Company (TCBS) has informed the system connection problem in the morning of November 23, 2021. Because the Company had to process a large number of transaction orders on November 22, 2021 and the processing took longer than expected, TCBS must suspend morning trading on November 23, 2021. However, TCBS solved the problem and clients have been able to trade again since the afternoon session of November 23, 2021.