Track the performance of the GEM 50 Index. GEM 50ETF is a transactional open index fund, which aims to track the performance of GEM 50 index. ETF invests in 50 stocks with large market value and good liquidity on GEM to reflect the overall performance of the index. Investors who hold the ETF can get the investment return of GEM 50 Index by buying and selling ETF shares, and enjoy the convenience and flexibility of ETF. Gem 50ETF can usually be traded on the stock exchange like stocks, and the risk is more dispersed than buying 50 stocks alone.