What did you think the odds were of holding a winning hand when you first bought shares in INXR? How much did you plan to make as a multiplier?
What are your odds now? How much do you plan to make as a multiplier?
You can fold your hand anytime, and you will get some of your money back when you do. You may get even more of it back as a tax loss if you have enough gains to offset it.
You are not alone. Make a list of what you thought you knew from your DD, and then cross off everything that you now doubt. If the list becomes empty... RUN