FNILX vs. VOO: Which Fund is Better?

Someone asks:

Hi all, has anyone compared FNILX (Fidelity) vs VOO (Vanguard) and found a reason not to purchase FNILX? Both follow S&P 500 but FNILX is newer and has zero expense ratio.
I’d have to start a Fidelity account to purchase…

FNCMX vs. FXAIX: What are the differences?

Someone asks:

Is it okay to have both FXAIX and FNCMX? Fairly new to mutual funds and just trying to figure out everything!

Gerry S:

I have both…noticed they moved in different directions a lot last year, so it appears they hav…