Many good trading opportunities come from chasing rises. When the price goes up, we are afraid to chase, but it continues to rise. Many significant losses are caused by holding onto positions too long; when the price drops, we don't believe it can drop further, yet it continues to fall.
Chasing rises and selling on dips is actually much harder to do than we imagine, mainly due to human nature and the lack of psychological preparation.
If you feel you have this problem, which has led you to miss many opportunities, you might want to train your instinct to trade by trying to invest between 10U and 100U. For promising targets, buy 100U immediately without looking at the price. The feeling of doing the right thing far exceeds the excitement of doing the wrong thing, which can help establish positive feedback. The same applies to positions that are stuck; the hardest part is taking the first step. Once you take that step, you will gradually accept the loss, allowing you to seize other better opportunities without being hindered by stuck positions.