It’s stupid to hold a stock for any time once you’ve decided it’s not what you want to invest in. Sell immediately and move to something you like better. It’s the only rational thing to do.
“Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive...those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.” C.S. Lewis