Funds generally invest in large-cap stocks, and these large-cap stocks have a great influence on the market index. Investors can analyze the trend of the fund on the same day according to the trend of the market.

The market generally refers to the Shanghai Composite Index. Investors open trading software. If the Shanghai Composite Index is red, they think it is rising today. If the Shanghai Composite Index is green, it is considered to be down.

Then look at the industries and sectors that led the gains and losses that day. For example, if an investor buys a fund in the technology sector and the bank shares fall that day, then today's fund may not fall much.