Mutual fund MADRX.US's price, or Net Asset Value NAV, is influenced by various factors:

Market Performance: General market trends and overall stock market performance directly impact the value of the underlying assets held by the fund.

Fund Holdings: The performance of the specific stocks and other assets within the fund's portfolio is a primary driver of NAV changes.

Economic Conditions: Macroeconomic factors like interest rates, inflation, and economic growth can affect the valuation of the companies in the fund.

Fund Manager Skill: The investment decisions and stock-picking abilities of the fund manager influence the fund's returns.

Expense Ratio: The fund's expense ratio, which includes management fees and operating expenses, reduces the fund's overall returns.

Investor Flows: Significant inflows or outflows of investor money can indirectly affect the fund by requiring adjustments to portfolio holdings.

Sector Performance: The performance of specific industry sectors that the fund invests in plays a crucial role in its overall performance.