1.   As the number of bonding electrons increases, the bond length decreases and the bond becomes stronger.

2.   The bond thus becomes weaker and the bond enthalpies decrease.

3.   As a result, bonds became slightly less attractive relative to stocks.

4.   As Brady bonds become more mainstream and lose their high-yield allure, many investors are looking to emerging market treasury bills as the next hot ticket.

5.   As interest rates have picked up, bonds have become less attractive, he says.

6.   As rates rise, risk-free Treasury bonds become more attractive as investments.

7.   As fewer homeowners refinance, the bonds are also becoming more sensitive to changes in interest rates.

8.   As the market for cat bonds matures, secondary markets may develop, particularly if the bonds become standardized and bundled into portfolios.

9.   Bonds become more attractive to investors when interest rates fall because of their fixed returns.

10.   Also, if yields rise enough, bonds become a relatively more attractive investment than stocks.