Firstly, do not take financial advice from strangers on the...

Firstly, do not take financial advice from strangers on the internet.

It's almost impossible to pick the dips and spikes mate.
A 20% rise in one day is pretty huge. Could there be a slight retrace?

You have to ask yourself, are you willing to lose a little bit on paper if there is the dip, but have the conviction to hold through for a medium-long term potential gain?

Look at the fundamentals of the company, read the announcements and decide if you think there is more to give.

There's an old saying. The best time to plant a tree was 20 years ago.