Cut down holdings or keep them after getting more than 100 percent return

What to do if a stock has given 100 percent return in an year ?

I Bought Adani Green Energy Stocks at 100 and sold them at 200 with solid :100:% Gain

and after my sell Stock keep moving up and up and up to 3000 (top)

Correct Answer Would Be - Do You Trust The Company And it’s Fundamentals also you have to have good idea about the business company is in.