MGM Resorts International (MGM) had the highest return in April 2009 by a US stock in the S&P 500 (GSPC), returning 243.4%.

ASSET	MONTH	% RETURN
MGM Resorts International (MGM)	April 2009	243.44%
Las Vegas Sands (LVS)	April 2009	145.91%
Ford Motor (F)	April 2009	133.6%
Caesars Entertainment (CZR)	April 2009	128.89%
Principal Financial (PFG)	April 2009	106.31%
Wynn Resorts (WYNN)	April 2009	96.15%
Dupont De Nemours (DD)	April 2009	93.47%
CBRE Group Inc Class A (CBRE)	April 2009	91.33%
Textron (TXT)	April 2009	90.25%
American Express (AXP)	April 2009	89.06%
Royal Caribbean Cruises (RCL)	April 2009	88.6%
Paramount Global Class B (PARA)	April 2009	86.25%
International Paper (IP)	April 2009	80.86%
Huntington Bancshares (HBAN)	April 2009	70.12%
TE Connectivity (TEL)	April 2009	62.56%
Mohawk Industries (MHK)	April 2009	61.25%
Celanese (CE)	April 2009	59.44%
Trane Technologies (TT)	April 2009	59.14%
Align Technology (ALGN)	April 2009	58.49%
Lululemon Athletica (LULU)	April 2009	56.98%
Builders FirstSource (BLDR)	April 2009	56.13%
Aflac (AFL)	April 2009	55.16%
Hartford Financial Services (HIG)	April 2009	55%
Prudential Financial (PRU)	April 2009	54.77%
Intuitive Surgical (ISRG)	April 2009	54.37%