US mutual funds' prices (Net Asset Value or NAV) like HSLRX.US are affected by several factors. Market Performance: Overall stock market trends significantly influence the fund's holdings. A bull market boosts NAV, while a bear market diminishes it.

Underlying Assets: HSLRX's portfolio composition (stocks, bonds etc.) and their individual performance directly affect the fund's value.

Interest Rates: Interest rate changes impact bond values in the portfolio, affecting HSLRX's NAV if it holds bonds.

Fund Manager Decisions: The fund manager's investment strategies and security selections impact performance and hence, the price.

Expense Ratio: High expense ratios can erode returns, impacting the fund's overall value and attractiveness.

Supply and Demand: Investor demand for HSLRX shares can influence its price, particularly during periods of high or low investor sentiment.

Economic Conditions: Macroeconomic factors like inflation, GDP growth, and unemployment rates influence corporate earnings and market sentiment, affecting the fund.