I suppose there is some "mental" block over the 18,000 number as there was at 10,000, 15,000.......
The market will go way beyond 18,000 and may drop well below it again.
But being in the market, being diversified and disciplined has treated me very well over a 30 year period. And it should have done the same for others who had a diversified and balanced portfolio over a long period of time.
I wouldn't worry about it.


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