Some employers are re-evaluating their retirement plans' stable-value options in the wake of poor performance during the financial crisis.

WSJ: Stable-Value Funds Look Shakier

But Verde's share value sank in the wake of the global economic downturn and the mounting worries about the drug war in Mexico.

WSJ: Verde Sale Questioned

While there is no doubt that CVRs can effectively circumvent arguments about current value, in the wake of a financial crisis fueled by risky and speculative financial instruments, investors are right to be wary of the unknown.

FORBES: Shadowy Shares: The Dark Side of Contingent Value Rights