PTC (PTC) had the lowest return in April 2000 by a US stock in the S&P 500 (GSPC), returning -59%.

ASSET	MONTH	% RETURN
PTC (PTC)	April 2000	-58.96%
Akamai Technologies (AKAM)	April 2000	-37.07%
CoStar (CSGP)	April 2000	-36.47%
Biogen (BIIB)	April 2000	-35.6%
Intuit (INTU)	April 2000	-32.19%
F5 Networks (FFIV)	April 2000	-30.83%
CarMax (KMX)	April 2000	-28.07%
Qualcomm (QCOM)	April 2000	-27.07%
Take-Two Interactive Software (TTWO)	April 2000	-26.67%
Royal Caribbean Cruises (RCL)	April 2000	-26.16%
Microsoft (MSFT)	April 2000	-26.14%
Cognizant Technology Solutions Corp Class A (CTSH)	April 2000	-24.91%
Charles Schwab (SCHW)	April 2000	-24.89%
Starbucks (SBUX)	April 2000	-24.77%
United Rentals (URI)	April 2000	-20.59%
Tractor Supply (TSCO)	April 2000	-20.52%
Freeport-McMoran Copper & Gold (FCX)	April 2000	-19.79%
WW Grainger (GWW)	April 2000	-19.77%
Juniper Networks (JNPR)	April 2000	-19.44%
McKesson (MCK)	April 2000	-19.35%
Huntington Bancshares (HBAN)	April 2000	-18.89%
Booking (BKNG)	April 2000	-18.45%
JPMorgan Chase (JPM)	April 2000	-17.55%
AutoZone (AZO)	April 2000	-17.53%
Cadence Design Systems (CDNS)	April 2000	-17.23%