Get the lastest fund profile for fidelity 500 index fund from zacks investment research Verkkothe investment seeks to provide investment results that correspond to the total return performance of common stocks publicly traded in the united states. Verkkoover the past 10 years, ftec has outperformed fxaix with an annualized return of 19. 79%, while fxaix has yielded a comparatively lower 12. 96% annualized return. Verkkoftec is a sector equity technology fund, while fxaix is a us stocks large blend fund. Verkkoultimately, the decision of what you should and shouldn't invest in really depends on your investment objective. Understanding your risk tolerance and time horizon can. Verkkoi put all $6k in fxaix (fidelity 500 index fund) but i need some input. I plan on contributing another $6k next year.