Biogen (BIIB) had the highest return in August 1996 by a US stock in the S&P 500 (GSPC), returning 53.3%.

ASSET	MONTH	% RETURN
Biogen (BIIB)	August 1996	53.28%
Mohawk Industries (MHK)	August 1996	32.97%
Ross Stores (ROST)	August 1996	29.95%
Vertex Pharmaceuticals (VRTX)	August 1996	27.04%
Gilead Sciences (GILD)	August 1996	26.77%
Starbucks (SBUX)	August 1996	25.96%
Deckers Outdoor (DECK)	August 1996	24.99%
NetApp (NTAP)	August 1996	24.45%
Zebra Technologies (ZBRA)	August 1996	24.26%
IDEX (IEX)	August 1996	23.75%
Micron Technology (MU)	August 1996	20.53%
ResMed (RMD)	August 1996	20.31%
Paychex (PAYX)	August 1996	18.23%
Cooper Companies, Inc Common Stock (COO)	August 1996	18.19%
Western Digital (WDC)	August 1996	18.07%
Best Buy (BBY)	August 1996	18%
Jacobs Solutions (J)	August 1996	16.87%
Microchip Technology (MCHP)	August 1996	16.47%
Roper Technologies, Inc Common Stock (ROP)	August 1996	16.08%
Comcast (CMCSA)	August 1996	15.59%
DaVita HealthCare Partners (DVA)	August 1996	15.44%
Analog Devices (ADI)	August 1996	14.88%
Teradyne (TER)	August 1996	14.81%
UnitedHealth (UNH)	August 1996	14.44%
Adobe Systems (ADBE)	August 1996	14.35%