NetApp (NTAP) had the highest return on May 16, 2013 by a large-cap US stock, returning 5.2%.

ASSET	DATE	% RETURN
NetApp (NTAP)	5/16/2013	5.23%
Kinross Gold (KGC)	5/16/2013	4.23%
Agnico Eagle Mines (AEM)	5/16/2013	4.19%
Globus Medical (GMED)	5/16/2013	3.47%
Centrais Elétricas Brasileiras SA - Eletrobrás (EBR.B)	5/16/2013	3.46%
Trip Group Ltd ADR (TCOM)	5/16/2013	3.37%
EXACT Sciences (EXAS)	5/16/2013	3.34%
Ciena (CIEN)	5/16/2013	2.95%
Centrais Electricas Brasileiras (EBR)	5/16/2013	2.84%
Wheaton Precious Metals (WPM)	5/16/2013	2.82%
LyondellBasell Industries (LYB)	5/16/2013	2.74%
Apple (AAPL)	5/16/2013	2.68%
BWX Technologies (BWXT)	5/16/2013	2.48%
T-Mobile US (TMUS)	5/16/2013	2.44%
MPLX (MPLX)	5/16/2013	2.37%
Align Technology (ALGN)	5/16/2013	2.22%
PTC (PTC)	5/16/2013	2.2%
Raymond James Financial (RJF)	5/16/2013	2.17%
HP (HPQ)	5/16/2013	2.15%
Garmin (GRMN)	5/16/2013	2.13%
Sarepta Therapeutics (SRPT)	5/16/2013	2.01%
Baxter International (BAX)	5/16/2013	1.84%
Salesforce (CRM)	5/16/2013	1.67%
Molson Coors Beverage (TAP.A)	5/16/2013	1.67%
Banco Santander Brasil SA ADR (BSBR)	5/16/2013	1.67%

Large-cap stocks are treated as having a market cap of $10B+.