Fund Type: This is a money market fund, therefore its price remains stable at $1.00, but its yield fluctuates.

Interest Rates: The yield primarily mirrors short-term interest rates set by the Federal Reserve (the Fed). Higher rates boost the yield, lower rates decrease it.

Economic Conditions: Overall economic health influences interest rate expectations. A strong economy often leads to higher rates, while a weak economy prompts rate cuts.

Fed Policy: Actions of the Fed are paramount. Rate hikes, cuts, or quantitative tightening/easing directly influence the fund's yield.

Supply and Demand: Demand for the fund, as investors seek safety or liquidity, can indirectly affect its attractiveness compared to alternatives, potentially influencing inflows and management decisions related to yield.

Credit Risk: The creditworthiness of the fund's holdings (Treasury securities, repurchase agreements, etc.) impacts its perceived safety and therefore its attractiveness relative to other funds, influencing yield.