[Underlying Assets' Performance]: FIJSX.US's price is directly affected by the performance of the stocks it holds. Positive stock returns increase the fund's value; negative returns decrease it.

[Market Sentiment]: Overall investor optimism or pessimism can drive demand for FIJSX.US, affecting its price. Bull markets often increase demand; bear markets decrease it.

[Fund Flows]: Significant inflows into FIJSX.US can increase its price due to buying pressure. Conversely, large outflows can decrease the price as the fund sells assets.

[Expense Ratio & Management Fees]: While not directly impacting the price in the short term, higher expense ratios can reduce long-term returns, potentially making it less attractive to investors.

[Index Tracking Accuracy]: How closely FIJSX.US mirrors its underlying index impacts its price. Deviations, even small ones, can cause performance differences.

[Sector Performance]: The sectors in which FIJSX.US invests significantly influence its price. Strong sector performance drives up the fund's value.