difference between crypto currency and digital currency searches

Unexpectedly, the Shanghai Composite Index fell 2% today.Take two steps and take a step back,Therefore, today's fall is an opportunity!

Once the trend is formed, it is difficult to change.Therefore, today's fall is an opportunity!Actually, it's not necessary.

Once the trend is formed, it is difficult to change.Trends are not easy to form,Financial Captain: Lost the opportunity!