what is the best returning sandp 500 stock since february 2008 to january 2009

Vertex Pharmaceuticals (VRTX) had the highest return between February 1, 2008 and January 31, 2009 by a US stock in the S&P 500 (GSPC), returning 61.1%.

ASSETDATE% RETURN
Vertex Pharmaceuticals (VRTX)
2/1/2008 - 1/31/2009
61.14%
Dollar Tree (DLTR)
2/1/2008 - 1/31/2009
52.63%
Netflix (NFLX)
2/1/2008 - 1/31/2009
45.68%
Edwards Lifesciences (EW)
2/1/2008 - 1/31/2009
23.74%
Amgen (AMGN)
2/1/2008 - 1/31/2009
18.44%
General Mills (GIS)
2/1/2008 - 1/31/2009
11.51%
McDonald’s (MCD)
2/1/2008 - 1/31/2009
11.2%
Gilead Sciences (GILD)
2/1/2008 - 1/31/2009
10.47%
AutoZone (AZO)
2/1/2008 - 1/31/2009
10.39%
J M Smucker (SJM)
2/1/2008 - 1/31/2009
8.22%
STERIS (STE)
2/1/2008 - 1/31/2009
8.05%
Hershey (HSY)
2/1/2008 - 1/31/2009
6.6%
American Water Works (AWK)
2/1/2008 - 1/31/2009
4.81%
Leidos (LDOS)
2/1/2008 - 1/31/2009
3.68%
Ross Stores (ROST)
2/1/2008 - 1/31/2009
2.36%
Quest Diagnostics (DGX)
2/1/2008 - 1/31/2009
1.15%
Church & Dwight (CHD)
2/1/2008 - 1/31/2009
0.6%
Abbott Laboratories (ABT)
2/1/2008 - 1/31/2009
0.51%
WEC Energy (WEC)
2/1/2008 - 1/31/2009
0.31%
Waste Management (WM)
2/1/2008 - 1/31/2009
-0.78%
Mondelez International (MDLZ)
2/1/2008 - 1/31/2009
-0.88%
Consolidated Edison (ED)
2/1/2008 - 1/31/2009
-1.36%
Campbell’s (CPB)
2/1/2008 - 1/31/2009
-1.43%
Bristol-Myers Squibb (BMY)
2/1/2008 - 1/31/2009
-2.03%
PG&E (PCG)
2/1/2008 - 1/31/2009
-2.13%