Global Stock Market Performance: VTIIX is a total international stock market index fund. Its price moves in tandem with the overall performance of international stock markets. If global markets rise, VTIIX's price will likely increase, and vice versa.

Currency Fluctuations: Currency exchange rates between the US dollar and the currencies of the countries whose stocks are held within the fund can impact VTIIX's price. A weaker US dollar versus other currencies can increase VTIIX's price when those foreign holdings are converted back to dollars.

Interest Rates: Changes in global interest rates can influence the attractiveness of international stocks. Higher interest rates might make bonds more appealing, potentially decreasing demand for stocks and affecting VTIIX's price negatively.

Economic Growth: The economic health of the various countries represented in the VTIIX portfolio directly affects company earnings and therefore stock prices. Stronger economic growth generally leads to higher stock prices.

Investor Sentiment: General investor mood toward international markets can affect demand for VTIIX. If investors are optimistic about international growth, demand for VTIIX increases, driving up the price.