Buy SPX500 by Mar 1, 2056.

First of all, i started studying some thing about how SP500 works, how the compound investment works and, in some months, when I'll be debt free, I'll start do a monthly PAC of 500 every month for 30y Now my doubt is: I heard people saying "sp500 it's gonna fall down because of trump and how America is doing things bla bla bla.." I don't know if it can be possible, theoretically , company as Apple, Nvidia and other major …