When the index rises, the index fund will rise. The index fund that tracks the rising index will rise. Currently, the Shanghai Composite Index Fund is called the Shanghai Composite Index ETF, and the fund code is 510210. The rise and fall of other index funds are judged based on the rise or fall of the index they track.
Index funds track a specific index and buy all or part of the stocks in the index, aiming to obtain the same returns as the index.