what is the best returning index fund in may 2014

INDL had the highest return in May 2014 by a major index or ETF, returning 32.1%.

ASSET MONTH % RETURN
INDL
May 2014
32.1%
SVXY
May 2014
19.21%
SMIN
May 2014
18.59%
YINN
May 2014
16.58%
DUST
May 2014
16.48%
EPI
May 2014
13.11%
SOXL
May 2014
13.09%
TQQQ
May 2014
13%
KORU
May 2014
11.68%
XPP
May 2014
10.93%
PIN
May 2014
10.54%
INCO
May 2014
10.3%
TECL
May 2014
10.25%
QAT
May 2014
9.83%
INDY
May 2014
9.6%
KOLD
May 2014
9.24%
UCO
May 2014
8.95%
EDC
May 2014
8.79%
QLD
May 2014
8.72%
TMF
May 2014
8.64%
BIB
May 2014
8.4%
USD
May 2014
7.9%
CURE
May 2014
7.73%
INDA
May 2014
7.68%
TUR
May 2014
7.34%