Without thinking about it, you might answer 10 percent. In reality, a stock that loses 10 percent of it’s value needs to gain 11 percent in order for you to break even. At a 20 percent loss, you’ll need to gain back 25 percent. And if you’ve lost half, you’ll need the stock to double just to get back to even.
Read more at: https://www.moneyunder30.com/when-to-sell-a-losing-investment-10142