The total proportion of the GEM 50 Index in medical and biological concepts is as high as 33%. The subdivided concepts of constituent stocks include medical devices, vaccines, CRO, ophthalmology, innovative drugs, medical beauty and other popular concepts in the pharmaceutical industry.

The full name of GEM 50 is Huaan GEM 50 ETF (159949). It was established on June 30, 2016. As of May 29, the scale was 7.267 billion. It tracks the GEM 50 Index. The GEM 50 Index (399673) is on the GEM.

Among the 100 stocks referred to, the 50 stocks with the highest average daily trading volume in the past six months are selected as the GEM 50 sample stocks.

It is worth noting that the GEM 50 Index has excluded the backdoor listed Wen's shares. The company belongs to the agriculture, forestry, animal husbandry and fishery industry, which distorts the essential characteristics of the GEM Index.

After removing Wen's, the GEM 50 Index becomes more in line with the characteristics of innovative growth.