Fund Performance: Strong historical returns and consistent outperformance relative to its benchmark attract investors, increasing demand and potentially its price. Conversely, underperformance can lead to lower demand and price.

Market Conditions: Broad market trends, such as bullish or bearish sentiment, and economic factors like interest rates and inflation, influence overall investor appetite for mutual funds like FMVVJX. Rising markets generally lift fund prices, while declining markets can depress them.

Fund's Investment Strategy: The specific asset classes (stocks, bonds, etc.) and investment style (growth, value, etc.) pursued by the fund impact its risk and return profile. Changes in the perceived attractiveness of these assets or investment styles can affect the fund's demand and price.

Expense Ratio and Fees: Higher expense ratios and other fees detract from returns and can make the fund less attractive to investors, potentially impacting its price relative to similar, lower-cost funds.

Investor Sentiment: Prevailing investor sentiment, driven by news, events, and psychological factors, can create waves of buying or selling, affecting demand and the fund's price irrespective of underlying fundamentals.