Is There Skill in Trading?

It's interesting when you see some of these names that have just been hit hard, right? Sam, for example, or any other ones. Thatae n this name. Ad pick any name. So if you sell stock and, let's say you made three or 400 % on it, but then the stock just crashes in the near term, is there like, a, like, was there skill there? I guess, skill in trading, in getting out a lot of ime t this is all, like, we're literally talking muds here and in years here. And i don't know if that was kind of like a skille thing, or if i got lucky