best performing s and p stocks january 2015 to june 2015

Netflix (NFLX) had the highest return between January 1, 2015 and June 30, 2015 by a US stock in the S&P 500 (GSPC), returning 90.9%.

ASSETDATE% RETURN
Netflix (NFLX)
1/1/2015 - 6/30/2015
90.93%
Cigna (CI)
1/1/2015 - 6/30/2015
56.36%
Centene (CNC)
1/1/2015 - 6/30/2015
51.24%
DexCom (DXCM)
1/1/2015 - 6/30/2015
43.8%
T-Mobile US (TMUS)
1/1/2015 - 6/30/2015
43.06%
Interactive Brokers (IBKR)
1/1/2015 - 6/30/2015
42.53%
Palo Alto Networks (PANW)
1/1/2015 - 6/30/2015
42.5%
Zebra Technologies (ZBRA)
1/1/2015 - 6/30/2015
42.39%
Skyworks Solutions (SWKS)
1/1/2015 - 6/30/2015
41.85%
Incyte (INCY)
1/1/2015 - 6/30/2015
41.49%
Godaddy (GDDY)
1/1/2015 - 6/30/2015
40.95%
Amazon (AMZN)
1/1/2015 - 6/30/2015
38.87%
Coherent (COHR)
1/1/2015 - 6/30/2015
37.94%
Hasbro (HAS)
1/1/2015 - 6/30/2015
36.81%
Kraft Heinz (KHC)
1/1/2015 - 6/30/2015
36.57%
TKO (TKO)
1/1/2015 - 6/30/2015
35.04%
Comfort Systems USA (FIX)
1/1/2015 - 6/30/2015
34.53%
Arista Networks (ANET)
1/1/2015 - 6/30/2015
34.53%
Fortinet (FTNT)
1/1/2015 - 6/30/2015
33.75%
Boston Scientific (BSX)
1/1/2015 - 6/30/2015
33.18%
Broadcom (AVGO)
1/1/2015 - 6/30/2015
32.47%
Humana (HUM)
1/1/2015 - 6/30/2015
32.37%
LyondellBasell Industries (LYB)
1/1/2015 - 6/30/2015
31.53%
Starbucks (SBUX)
1/1/2015 - 6/30/2015
31.47%
Williams Companies (WMB)
1/1/2015 - 6/30/2015
31.2%