Fed Funds Rate: Changes in the Federal Reserve's target interest rate significantly impact GTSXX.US. Higher rates generally lead to higher yields and potentially a higher NAV.

Short-Term Interest Rates: GTSXX.US invests in short-term debt securities. Fluctuations in the yields of these securities directly affect its overall return and price.

Credit Risk: Although GTSXX.US primarily invests in high-quality assets, any perceived increase in credit risk among its holdings could negatively influence its price.

Fund Management Fees: The fund's expense ratio impacts the net return to investors, thereby affecting its relative attractiveness and indirectly its price.

Market Demand: High demand for money market funds can increase inflows into GTSXX.US, potentially influencing its asset base and overall stability, even though price changes are minimal.

Economic Conditions: Overall economic health can influence investor sentiment and demand for money market funds like GTSXX.US, which act as a safe haven during uncertainty.

Regulatory Changes: New regulations affecting money market funds can alter their investment strategies, costs, and attractiveness, ultimately impacting their price.

Inflation Expectations: Rising inflation expectations can lead to higher interest rates, indirectly impacting GTSXX.US as the fund adjusts to maintain competitive yields.

Liquidity Premiums: Changes in liquidity premiums for short-term debt instruments held by GTSXX.US can affect its yield and thus its attractiveness to investors.

Geopolitical Events: Major geopolitical events causing economic uncertainty can drive investors to safe assets like money market funds, influencing demand for GTSXX.US.