On May 11, 2021, Sunstar Investment Joint Stock Company sent HOSE an explanation letter and solution plan for the supervision status of SJF shares. The shares of Sunstar Investment Joint Stock Company were into supervision status as of April 28, 2021 because the profit after tax of shareholders of parent company in 2020 was -27.72 billion dongs. As the impact of the Covid-19 pandemic, the Company’s revenue in 2020 decreased sharply compared to 2019 and its profit after tax was negative.