$NVIDIA (NVDA.US)$ It has already risen by 3% now. Will it rise further during the session? Or will there be some pullback during the session?

$SSE Composite Index (000001.SH)$ Chinese red

$Direxion Daily CSI 300 China A Share Bull 2X Shares (CHAU.US)$ This etf seems to track the hang seng index futures, A50 index futures, and the price movements of these two are the same.

$Direxion Daily CSI 300 China A Share Bull 2X Shares (CHAU.US)$ A shares rose today, why didn't it double?