A new leader emerged in the final week of TheStreet.com'sBeat the Street contest, using a mostly short-airline portfolio.

"GWT2001" took the lead on four airline shorts and short bets on a chemical company and greeting card maker. The portfolio, which totaled $291,234.94 at the close of trading Wednesday, consists of

UAL

( UAUA),

Northwest Airlines

( NWA),

Delta Air Lines

(DAL) - Get Report

,

Continental Airllines

(CAL) - Get Report

,

Sociedad Quimica Y Minera De Chile

(SQM) - Get Report

and

American Greetings

(AM) - Get Report

.

Airline plays -- both long and short -- have been a common theme in the 12-week contest.

In second place was "Hantongjin," whose portfolio of $288,738.56 was short five airlines and one bank,

Washington Mutual

(WM) - Get Report

.

"Redlight," the leader the first two days of the week, dropped to third with a portfolio total of $288,383.86.

The contestants are playing for a $5,000 prize.

This article was written by a staff member of TheStreet.com.