United Airlines (UAL) had the lowest return in June 2009 by a US stock in the S&P 500 (GSPC), returning -33.1%.

ASSET	MONTH	% RETURN
United Airlines (UAL)	June 2009	-33.12%
American International (AIG)	June 2009	-31.76%
Valero Energy (VLO)	June 2009	-26.12%
T-Mobile US (TMUS)	June 2009	-22.8%
Las Vegas Sands (LVS)	June 2009	-22.71%
VeriSign (VRSN)	June 2009	-21.24%
Citigroup (C)	June 2009	-21.01%
Hess (HES)	June 2009	-20.74%
Mosaic (MOS)	June 2009	-20.74%
Ameriprise Financial (AMP)	June 2009	-20.56%
Hartford Financial Services (HIG)	June 2009	-19.14%
Domino's Pizza Inc Common Stock (DPZ)	June 2009	-18.59%
MGM Resorts International (MGM)	June 2009	-17.55%
Advanced Micro Devices (AMD)	June 2009	-17.48%
Live Nation Entertainment (LYV)	June 2009	-17.06%
Textron (TXT)	June 2009	-16.87%
First Solar (FSLR)	June 2009	-16.6%
Principal Financial (PFG)	June 2009	-16.49%
Newmont Goldcorp (NEM)	June 2009	-16.21%
PNC Financial Services (PNC)	June 2009	-16.16%
APA (APA)	June 2009	-15.95%
Monster Beverage (MNST)	June 2009	-15.8%
Devon Energy (DVN)	June 2009	-15.37%
Contura Energy (CTRA)	June 2009	-14.82%
GE Aerospace (GE)	June 2009	-14.5%