Market Conditions: Overall market sentiment (bullish or bearish) influences investor demand, thus affecting MSSGX's price.

Underlying Asset Performance: MSSGX's price is tied to the performance of the stocks and bonds it holds. If those assets rise in value, MSSGX's price will likely increase.

Interest Rate Changes: Rising interest rates can negatively impact bond values within MSSGX, potentially lowering its price. Stock valuations can also be affected.

Fund Flows: Large inflows increase demand and may push the price higher, while outflows can force the fund to sell assets, potentially lowering the price.

Management Expertise: The fund manager's decisions on asset allocation and security selection affect the fund's overall performance and therefore its price.

Economic Indicators: Key economic data (GDP growth, inflation, unemployment) influence market sentiment and affect the prices of MSSGX's underlying holdings.

Expense Ratio: While not directly affecting the daily price, a high expense ratio can reduce overall returns over time compared to similar, lower-cost funds.