I think power grid is very good stock to have in portfolio. I wonder why people shout when market is down. I have booked profit periodically and Still My portfolio is 22% up.
I think One should book profit periodically and maintain strict stop loss.
Plus dont put your all eggs in one basket.
Dont buy in Bulk buy in parts.
I know i am not an expert but still I am in profit. I am purchasing more stock now.
And DONT WATCH CNBC thats the key of success in stock market
