Tags Tan Viet Securities Incorporation TVSI achieves revenue of $36.5 million in H1 Monday, Aug 01, 2022 TVSI achieved a total revenue of VND857.3 billion (US$36.5 million) at the end of the second quarter of this year, a year-on-year growth of 8.1 per cent. Tan Viet Securities officially joins derivatives market Tuesday, Sep 24, 2019 The company on August 23 became the 17th securities firm to be licensed by the HNX to participate in the derivatives market.