what is the best returning index fund in february 2013

DUST had the highest return in February 2013 by a major index or ETF, returning 39.1%.

ASSET MONTH % RETURN
DUST
February 2013
39.14%
ZSL
February 2013
25.41%
YANG
February 2013
15.97%
FXP
February 2013
13.49%
GLL
February 2013
12.68%
SCO
February 2013
11.45%
SOXL
February 2013
9.68%
EIDO
February 2013
9.01%
EUO
February 2013
8.77%
EDZ
February 2013
8.47%
IDX
February 2013
7.65%
BZQ
February 2013
7.31%
EPV
February 2013
6.91%
UGE
February 2013
6.48%
EZJ
February 2013
6.01%
YXI
February 2013
5.88%
SMN
February 2013
5.65%
EPHE
February 2013
5.6%
EEV
February 2013
5.43%
RHS
February 2013
4.72%
UPW
February 2013
4.53%
PIE
February 2013
4.35%
KBWY
February 2013
3.94%
FJP
February 2013
3.69%
DBJP
February 2013
3.62%