Underlying Bond Market: FISCX.US's price is heavily influenced by the broader bond market. Rising interest rates generally decrease bond prices, including those held by the fund. Conversely, falling rates tend to increase the fund's value.

Credit Risk: Changes in the creditworthiness of the bonds within FISCX.US's portfolio directly affect its price. Downgrades or defaults can negatively impact the fund's value, while upgrades can have a positive effect.

Fund Flows: Significant inflows into FISCX.US can put upward pressure on its price, while large outflows may force the fund to sell holdings, potentially lowering its price.

Inflation Expectations: Rising inflation expectations can lead to higher interest rates, which, as mentioned before, can negatively impact bond prices and thus FISCX.US's value.

Economic Growth: A strong economy can sometimes lead to higher interest rates as the Federal Reserve tries to control inflation, impacting bond prices and the fund's value.