The DXY, Where to HTF?

I have been unable to set the stop loss in the transaction, how can I do a good stop loss?

How to determine whether your trading style is short-term or long-term?

For the real-time market, should we keep our original intention or follow the trend?

The market often has some good and bad news, how should we generally treat it?

How to choose between opening a position through a breakthrough and opening a position with a pullback in trading?