Market Interest Rates: Rising interest rates generally decrease bond prices, including those held by TBLJX. Lower rates can increase bond values.

Credit Quality: Downgrades in the credit ratings of issuers within the fund's portfolio can negatively impact TBLJX's net asset value. Upgrades typically have a positive effect.

Inflation Expectations: Higher anticipated inflation erodes the value of fixed-income investments like those in TBLJX, leading to price declines. Lower inflation expectations often boost prices.

Economic Growth: A strong economy can lead to higher interest rates, pressuring bond prices. A weaker economy may cause rates to fall, potentially increasing bond values.

Fund Management Strategy: Decisions made by the fund's managers regarding asset allocation, duration, and security selection can significantly affect performance and price.

Supply and Demand: Higher demand for TBLJX shares can drive up the price, while increased selling pressure can lead to price decreases.

Maturity and Duration: Longer-maturity bonds held by TBLJX are generally more sensitive to interest rate changes than shorter-maturity bonds, influencing price volatility.