The scramble is on. Investors are racing to move money from riskier, higher-yielding trades to more conservative investments. And just like we saw during the financial crisis of 2008, U.S. Treasuries seem to be the conservative investment of choice.

This flight to safety and increased demand for U.S. Treasuries is pushing prices higher, but you need to make sure you are investing in exchange-traded funds (ETFs) that provide exposure to Treasuries with longer-term maturities if you want to take advantage of the boom.

With stock prices near decade lows and fear at generational highs, many market participants are looking for harbors in the storm -- and turning their eye from high risk growth stock opportunities to what are generally more conservative income ideas.

For those looking to broaden their holdings to include yield-generated income, we turned to a dozen leading newsletter advisors who in turn offered a wide variety of income-oriented ETF and fund favorites.

Yes, fixed income holdings have their own risks. But in general, a diversified portfolio -- balanced between stocks and bonds -- has proven a more defensive posture. In addition, the selections in this report are funds and ETFs; as such the investments themselves are diversified among many holdings.