Netflix (NFLX) had the highest return between 2008 and 2009 by a US stock in the S&P 500 (GSPC), returning 107.4%.

ASSET	YEARS	% RETURN
Netflix (NFLX)	2008-2009	107.42%
Edwards Lifesciences (EW)	2008-2009	89.96%
F5 Networks (FFIV)	2008-2009	89.04%
Booking (BKNG)	2008-2009	87.08%
Dollar Tree (DLTR)	2008-2009	86.34%
Vertex Pharmaceuticals (VRTX)	2008-2009	84.3%
Ross Stores (ROST)	2008-2009	71.59%
Skyworks Solutions (SWKS)	2008-2009	67.53%
Tyler Technologies (TYL)	2008-2009	55.06%
Western Digital (WDC)	2008-2009	49.05%
Ford Motor (F)	2008-2009	48.59%
Visa Inc Class A (V)	2008-2009	48.48%
Tractor Supply (TSCO)	2008-2009	48.41%
Micron Technology (MU)	2008-2009	46.06%
Super Micro Computer (SMCI)	2008-2009	44.42%
Amazon (AMZN)	2008-2009	41.08%
JM Smucker (SJM)	2008-2009	39.79%
NVR (NVR)	2008-2009	37.93%
NetApp (NTAP)	2008-2009	36.84%
Warner Bros Discovery (WBD)	2008-2009	35.32%
Old Dominion Freight Line (ODFL)	2008-2009	35.24%
Cardinal Health (CAH)	2008-2009	34.81%
Cognizant Technology Solutions Corp Class A (CTSH)	2008-2009	33.99%
Hasbro (HAS)	2008-2009	32.65%
Ralph Lauren Corp Class A (RL)	2008-2009	32.4%