Small knowledge of trading volume

The amount of shrinkage will rise, and the amount of shrinkage will decline. The high position will fall when the huge amount rises, the low position will fall if the huge amount rises, and the low position will rebound. $PDD Holdings(PDD.US)$ $DiDi Global (Delisted)(DIDI.US)$ $KE Holdings(BEKE.US)$ $Tencent(TCEHY.US)$