best quarter for sandp 500 stock

Laboratory Corporation of America (LH) had the best quarter by a US stock in the S&P 500 (GSPC) in Q1 1990, returning 4,967,240%.

ASSET QUARTER % RETURN
Laboratory Corporation of America (LH)
Q1 1990
4,967,240%
eBay (EBAY)
Q4 1998
466.03%
F5 Networks (FFIV)
Q2 1999
300%
Qualcomm (QCOM)
Q4 1999
275.98%
NVR (NVR)
Q1 1991
266.67%
VeriSign (VRSN)
Q4 1999
264.56%
Super Micro Computer (SMCI)
Q1 2024
260.73%
Cognizant Technology Solutions Corp Class A (CTSH)
Q4 1999
241.56%
APA (APA)
Q2 2020
235.15%
Akamai Technologies (AKAM)
Q2 2003
231.94%
NetApp (NTAP)
Q4 2001
231.92%
Booking (BKNG)
Q2 2001
229.09%
Tractor Supply (TSCO)
Q1 1994
228.51%
Skyworks Solutions (SWKS)
Q4 1998
223.6%
Targa Resources (TRGP)
Q2 2020
215.19%
Axon Enterprise (AXON)
Q4 2003
210.25%
F5 Networks (FFIV)
Q2 2001
208.92%
Axon Enterprise (AXON)
Q2 2003
203.7%
Intuitive Surgical (ISRG)
Q2 2001
198.13%
Akamai Technologies (AKAM)
Q4 1999
197.84%
Amazon (AMZN)
Q4 1998
197.46%
Caesars Entertainment (CZR)
Q2 2020
192.84%
Western Digital (WDC)
Q4 2001
190.26%
United Airlines (UAL)
Q3 2009
189.03%
Monster Beverage (MNST)
Q2 1996
186.67%