The liquidity on weekends is very low, and the trading volume is also very poor. Therefore, in most cases in history, if there is a unilateral market trend that is not triggered by events on weekends, there is indeed a certain opportunity to approach the closing price on Friday. This reason is the same as filling the gap, which is a mystery. Optimistic, provided that there are no events triggering it over the weekend, it is normal for an independent market trend to continue for a period of time if there are events triggering it.