Yes, nobody knows for sure (unless you have good inside info, (an insider in the company) how a stock will move. Howbeit, we many times can have a good idea based on history.
It's easy to look back & say I should of did this, but of course that's unrealistic.
I have a fair amount of losing trades, but my winners far outnumber my losers.
With all the things happening this week, it could be volatile & many are looking for a 5 to 10% retrace in the general market.