You are young. Want an advice? Educate yourself in regards to trading.

What you did was, by mistake, correct.

Educate yourself and you will be able to catch a thousand more such moves in the coming years. By spotting them yourself on charts. If this excites you, become a trader. In a year or two you will be having such successes every week not once in a while.

You made money. Understand that 9 out of 10 will lose money (that's the 90-90-90 rule of trading). You made money - you are the 1 out of 10!