Investment Performance: Stronger fund performance typically attracts more investors, increasing demand and potentially raising the price.

Market Conditions: Broad market trends, especially in sectors PJERX.US invests in, directly influence its Net Asset Value (NAV).

Interest Rates: Changes in interest rates can impact the attractiveness of PJERX.US, especially if it invests in fixed-income securities.

Expense Ratio: A higher expense ratio can negatively affect returns, potentially reducing investor demand and impacting the price.

Fund Manager Expertise: The skills and experience of the fund manager in selecting investments significantly affect the fund's performance.

Investor Sentiment: Overall investor confidence or fear can drive buying or selling pressure, affecting the price of PJERX.US.

Economic Indicators: Macroeconomic factors like GDP growth, inflation, and unemployment can influence the performance of underlying assets.

Fund Flows: Large inflows or outflows of money into or out of PJERX.US can put upward or downward pressure on its price.