Do you have a losing stock in your portfolio? If yes, why are you still keeping it?

Depending on how hard you trust the stock. If it's a firm yes, then average down the price.

Because bought high since I DCA.

For sure. Knowing when to buy is based on facts and valuation, that's easy compared to when to sell/continue holding because now it becomes future expectations vs opportunity cost vs emotions. This is not to say selling/holding are not based on facts and valuation, but due to loss aversion, we value losses twice as much as gains, hence heavier weightage on the latter factors. Not so easy anymore.

Yes but just hold. Only paper loss