In fact, this pin is more like rolling a gutter ball, as it refers to a situation in which a stock closes at a strike price on expiration day.

FORBES: Pinning The $500 Tail On The Apple

With three more weeks to Pennsylvania's primary, Clinton challenges Obama to gutter-ball politics, Democrats still can't figure out what to do with Michigan and Florida, John McCain draws up a listed possible running mates.

NPR: Political Junkie: Three Weeks to Pennsylvania