Caesars Entertainment (CZR) had the highest return on December 23, 2011 by a US stock in the S&P 500 (GSPC), returning 4.9%.

ASSET	DATE	% RETURN
Caesars Entertainment (CZR)	12/23/2011	4.92%
Everest (EG)	12/23/2011	4.77%
MGM Resorts International (MGM)	12/23/2011	4.4%
Walgreens Boots Alliance (WBA)	12/23/2011	4.09%
Molina Healthcare (MOH)	12/23/2011	4.01%
Ulta Beauty (ULTA)	12/23/2011	3.58%
Live Nation Entertainment (LYV)	12/23/2011	3.47%
Applied Materials (AMAT)	12/23/2011	2.66%
Lululemon Athletica (LULU)	12/23/2011	2.5%
Regeneron Pharmaceuticals (REGN)	12/23/2011	2.49%
Cboe Global Markets (CBOE)	12/23/2011	2.42%
Estee Lauder Companies (EL)	12/23/2011	2.41%
Dupont De Nemours (DD)	12/23/2011	2.38%
Southwest Airlines (LUV)	12/23/2011	2.14%
Corning (GLW)	12/23/2011	2.14%
Tapestry (TPR)	12/23/2011	2.14%
International Flavors & Fragrances (IFF)	12/23/2011	2.09%
Deckers Outdoor (DECK)	12/23/2011	2.08%
Expedia (EXPE)	12/23/2011	2.04%
Royal Caribbean Cruises (RCL)	12/23/2011	1.99%
Ralph Lauren Corp Class A (RL)	12/23/2011	1.98%
Emerson Electric (EMR)	12/23/2011	1.94%
Akamai Technologies (AKAM)	12/23/2011	1.88%
Wynn Resorts (WYNN)	12/23/2011	1.88%
Fastenal (FAST)	12/23/2011	1.82%