[Underlying Asset Performance]: DRIRX invests in real estate investment trusts (REITs). The performance of these REITs, which hold and manage real estate properties, directly impacts DRIRX's net asset value (NAV) and price.

[Interest Rate Environment]: Rising interest rates can negatively affect REITs as borrowing costs increase, potentially reducing profitability and property values, thus impacting DRIRX's price.

[Economic Conditions]: Strong economic growth generally benefits the real estate market, increasing occupancy rates and rental income, which positively affects REITs and DRIRX. Conversely, economic downturns can have the opposite effect.

[Market Sentiment]: Overall investor confidence and risk appetite in the stock market can influence demand for REITs and DRIRX, leading to price fluctuations.

[Fund Flows]: Large inflows of money into DRIRX can drive up its price, while significant outflows can exert downward pressure.

[Inflation]: Inflation can impact real estate values and rental income. How REITs manage inflation pass-through to tenants can affect DRIRX's performance.

[Management Fees and Expenses]: The fund's expense ratio and other operating costs can reduce returns and potentially impact its competitiveness and price compared to similar funds.