best performing s and p stocks january 2015 to august 2015

Netflix (NFLX) had the highest return between January 1, 2015 and August 31, 2015 by a US stock in the S&P 500 (GSPC), returning 134%.

ASSETDATE% RETURN
Netflix (NFLX)
1/1/2015 - 8/31/2015
134.03%
DexCom (DXCM)
1/1/2015 - 8/31/2015
69.26%
TKO (TKO)
1/1/2015 - 8/31/2015
64.18%
Amazon (AMZN)
1/1/2015 - 8/31/2015
64.08%
Comfort Systems USA (FIX)
1/1/2015 - 8/31/2015
62.87%
Incyte (INCY)
1/1/2015 - 8/31/2015
57.76%
Martin Marietta Materials (MLM)
1/1/2015 - 8/31/2015
51.5%
T-Mobile US (TMUS)
1/1/2015 - 8/31/2015
46.16%
Vulcan Materials (VMC)
1/1/2015 - 8/31/2015
41.5%
Interactive Brokers (IBKR)
1/1/2015 - 8/31/2015
37.25%
Hasbro (HAS)
1/1/2015 - 8/31/2015
37.23%
Global Payments (GPN)
1/1/2015 - 8/31/2015
37.16%
Fortinet (FTNT)
1/1/2015 - 8/31/2015
36.38%
Cigna (CI)
1/1/2015 - 8/31/2015
35.89%
Expedia (EXPE)
1/1/2015 - 8/31/2015
35.15%
Starbucks (SBUX)
1/1/2015 - 8/31/2015
34.51%
Palo Alto Networks (PANW)
1/1/2015 - 8/31/2015
33.95%
Constellation Brands Inc Class A (STZ)
1/1/2015 - 8/31/2015
31.06%
MSCI (MSCI)
1/1/2015 - 8/31/2015
28.12%
Rollins (ROL)
1/1/2015 - 8/31/2015
26.89%
CRH (CRH)
1/1/2015 - 8/31/2015
26.58%
Monster Beverage (MNST)
1/1/2015 - 8/31/2015
26.56%
Humana (HUM)
1/1/2015 - 8/31/2015
26.49%
IQVIA (IQV)
1/1/2015 - 8/31/2015
25.99%
Boston Scientific (BSX)
1/1/2015 - 8/31/2015
25.96%