Traditional bond investors have lost money for years. These five-star portfolio managers show a better way.

A fixed-income team at Morgan Stanley points to distressed debt and frontier local-market investing as key drivers of their fund's returns, according to a report on their approach. The claim arrives at a moment when many traditional bond investors have endured years of weak or negative real returns, as low starting yields and rate volatility weighed on core fixed income.

The distinction matters because it highlights how the sources of bond returns have shifted. Rather than relying solely on duration and credit spreads in developed markets, the managers describe seeking value in less efficient corners: securities of issuers under financial stress, and local-currency debt in frontier economies. Both areas can offer higher potential compensation, but they also carry risks that mainstream bond indexes do not capture, including restructuring outcomes, liquidity gaps, and currency swings.

For investors, the takeaway is less about copying a specific strategy than about understanding what drives returns. What to watch: whether these return sources persist if credit conditions tighten, how the fund manages concentration and liquidity, and whether performance holds after fees. Past results, as always, do not guarantee future outcomes.