On 24th March 2021, Ho Chi Minh Stock Exchange (HOSE) held a ceremony to celebrate the listing decision and put 34,800,000 shares of Tien Son Thanh Hoa Joint Stock Company (Stock code: AAT) into trading. The total value of AAT listed shares reached 348,000,000,000 VND, the reference price on the first trading day was 10,600 VND/share, the price fluctuation band was +/- 20%.