best performing sandp stock in q2 1999

F5 Networks (FFIV) had the highest return in Q2 1999 by a US stock in the S&P 500 (GSPC), returning 300%.

ASSETQUARTER% RETURN
F5 Networks (FFIV)
Q2 1999
300%
Skyworks Solutions (SWKS)
Q2 1999
159.19%
Qualcomm (QCOM)
Q2 1999
126.88%
Quanta Services (PWR)
Q2 1999
72.97%
Freeport-McMoran Copper & Gold (FCX)
Q2 1999
64.94%
Laboratory Corporation of America (LH)
Q2 1999
64.28%
Analog Devices (ADI)
Q2 1999
61.9%
Zebra Technologies (ZBRA)
Q2 1999
60.16%
Cummins (CMI)
Q2 1999
60.08%
Cooper Companies (COO)
Q2 1999
59.75%
AES (AES)
Q2 1999
55.52%
Deckers Outdoor (DECK)
Q2 1999
55.41%
Republic Services (RSG)
Q2 1999
52.9%
Lam Research (LRCX)
Q2 1999
50.61%
APA (APA)
Q2 1999
50.28%
Biogen (BIIB)
Q2 1999
49.27%
Fastenal (FAST)
Q2 1999
48.75%
HP (HPQ)
Q2 1999
48.46%
Thermo Fisher Scientific (TMO)
Q2 1999
47.93%
CoStar (CSGP)
Q2 1999
47.46%
Genesis Healthcare (GEN)
Q2 1999
47.28%
Smith AO (AOS)
Q2 1999
47.15%
EQT (EQT)
Q2 1999
46.74%
EMCOR (EME)
Q2 1999
46.54%
Tyler Technologies (TYL)
Q2 1999
46.48%