Combine several methods based on your skills, interests, and risk. Verkkobelow are the advantages and disadvantages of investing in the fidelity 500 index fund (fxaix). Verkkoinvestors should consider their investment objectives, risk tolerance, and preferences when choosing between swppx and fxaix. Some may prefer the. Verkkothe fxaix fund invests at least 80% of its assets in stocks included in the s&p 500 index, aiming to closely track the index's performance.