The number of companies listed on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE) has increased to 439 currently from just 25 when it began trading ion on July 22, 2019, and the total market capitalization for all listed companies has soared by over 10 times since then to nearly CNY5,640 billion (US$835.5 billion), according to China-based media reports.