The greater the perceived risk, notes a joyful ratings executive in New York, the greater the demand for ratings.

ECONOMIST: Rating agencies

So far, Alephzain has confirmed that the Galaxy S II, III, Note II and the Meizu MX are at risk, but notes that the exploit might work on any device running a Exynos 4210 or 4412 processor.

ENGADGET: Security exploit opens Samsung Galaxy S III, Note II to attack, could let apps from Google Play write to Kernel

Some, like small-cap funds, will require taking on more risk than others, he notes.

WSJ: What Is a Sharpe Ratio?