>to what to do with my PF planning

Well, what do you want to do with your life right now? Keep working? Retire and live off the windfall? Relocate? Travel the world? Change nothing? Buy some toys?

The plan you setup for the money will be in service of goals - short term or long term. But clear goals need to come first.

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>All my eggs has been there in one basket for over 8 months. Price has come down for more than 10%. I still freeze and don’t know what to do.

There's not much advice to give without the specifics (and not encouraging you to share anything that might identify you - again, see the windfall wiki). No one here can predict the price movements of the stock you're invested in, or whether it's a good idea to hold and wait for it recover before plotting your next move (though generally speaking, if the allocation isn't right for your goals or is too high risk, the best time to get out of it was 8 months ago, and second best time is now). We also don't know the jurisdiction you live in, and the tax consequences of selling/rebalancing all at once versus slowly transitioning out of it.

You probably need professional advice beyond the scope of what can be provided here.