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What happened? Heavy content came out? V-shaped counterattack?

First, the strength of the index was relatively weak in the morning, and no new amount came in. After a small dive, it was directly pulled up in less than half an hour. Close to 30 points of space.What happened? Heavy content came out? V-shaped counterattack?Fourth, the variety of small tickets has begun to fall today. I think we must be careful to go up again in the afternoon.

First, the strength of the index was relatively weak in the morning, and no new amount came in. After a small dive, it was directly pulled up in less than half an hour. Close to 30 points of space.Third, it's hard to say, because I don't think there is any trading volume at the bottom now. Is it the behavior of retail investors themselves? Institutions do not have this range.