MakeMyTrip (MMYT) had the highest return in August 2010 by a US stock with a market cap of $8B+, returning 54.5%.

ASSET	MONTH	% RETURN
MakeMyTrip (MMYT)	August 2010	54.55%
CommVault Systems (CVLT)	August 2010	30.59%
Booking (BKNG)	August 2010	28.46%
Mosaic (MOS)	August 2010	25.5%
Netflix (NFLX)	August 2010	20.67%
Fabrinet (FN)	August 2010	19.24%
Akamai Technologies (AKAM)	August 2010	18.49%
U-Haul (UHAL)	August 2010	18.44%
Wheaton Precious Metals (WPM)	August 2010	17.5%
Qorvo (QRVO)	August 2010	15.09%
Agnico Eagle Mines (AEM)	August 2010	14.99%
Primo Brands (PRMB)	August 2010	14.31%
Ecopetrol SA ADR (EC)	August 2010	13.18%
Texas Pacific Land Trust (TPL)	August 2010	13.09%
LyondellBasell Industries (LYB)	August 2010	12.95%
Fortinet (FTNT)	August 2010	12.6%
Gartner (IT)	August 2010	12.47%
Huazhu (HTHT)	August 2010	12.3%
Archer-Daniels-Midland (ADM)	August 2010	12.03%
CF Industries (CF)	August 2010	11.97%
Sociedad Quimica y Minera de Chile SA ADR B (SQM)	August 2010	11.47%
DaVita HealthCare Partners (DVA)	August 2010	11.03%
Open Text (OTEX)	August 2010	10.44%
Royal Gold (RGLD)	August 2010	10.42%
Coeur Mining (CDE)	August 2010	10.31%