Think of it as the Italian four-leaf clover.

NEWYORKER: Ciano

For these reasons I feel the way to play the "winner's game" is to strive to "be the market" (through the use of low-fee, passive-oriented investment strategies and a heavy emphasis on asset allocation) as opposed to trying to "beat the market" (by looking for the proverbial higher-fee, four-leaf clover in the vast fields of the investment landscape).

WSJ: The Experts: Are High Fees Worth It for Funds With Great Track Records?

Which is why it matters so much that scientists have, indeed, made progress toward identifying the genes that determine how many leaves a four-leaf clover has.

FORBES: The Four-Leaf Clover Gene?