Performance of Underlying Assets: The primary driver of ARTGX's price is the performance of the assets it holds, primarily stocks. Strong performance leads to higher prices.

Market Sentiment: Overall investor confidence and risk appetite influence demand for growth-oriented funds like ARTGX. Positive sentiment pushes prices higher, while negative sentiment causes declines.

Expense Ratio and Fees: ARTGX's expense ratio and other fees directly impact its net asset value (NAV). Higher expenses can slightly reduce returns and therefore, price.

Fund Manager Expertise: The skill and strategy of the fund's portfolio managers in selecting and managing investments greatly affects returns and the fund's attractiveness to investors.

Economic Conditions: Broad economic indicators like GDP growth, inflation, and interest rates affect the valuations of the stocks ARTGX holds. A strong economy generally supports higher prices.

Changes in Holdings: Significant changes in the fund's portfolio composition, such as buying or selling large positions, can temporarily affect its price, especially if those changes are viewed negatively by investors.