Weighting means weighted average. In stocks, it refers to the weighted index. That is, a certain fund investment industry uses a specific weighted balance method to buy stocks of different enterprises. Doing so can diversify investment and reduce risks, and can also be used to represent the performance of an industry or stock market.

Reinstatement is to repair the stock price and trading volume, draw the stock price trend chart according to the actual rise and fall of the stock, and adjust the trading volume to the same equity caliber. After stock ex-dividend and ex-dividend, the stock price has changed, but the actual cost has not changed. For example, the original shares in 20 yuan are 10 yuan after giving away ten shares for free, which is actually equivalent to 20 yuan. Judging from the K-line chart, this price seems very low, but it is likely to be an all-time high.