Fidelity Short-Term Bond Fund ETF (FSTB) is an exchange-traded fund in the Short Term Bond category. It has $2.61B in assets and an expense ratio of 0.20%. The fund normally invests at least 80% of assets in investment-grade debt securities (those of medium and high quality) of all types and repurchase agreements for those securities. Its manager manages the fund to have similar overall interest rate risk to the Bloomberg Barclays U.S. 1-3 Year Government/Credit Bond Index. The fund normally maintains a dollar-weighted average maturity of three years or less. It allocates assets across different market sectors and maturities. The fund invests in d…