what is the best returning index fund from december 1 2012 to december 15 2012

TAN had the highest return between December 1, 2012 and December 15, 2012 by a major index or ETF, returning 16.1%.

ASSET DATE % RETURN
TAN
12/1/2012 - 12/15/2012
16.07%
KOLD
12/1/2012 - 12/15/2012
13.58%
XPP
12/1/2012 - 12/15/2012
12.75%
EDC
12/1/2012 - 12/15/2012
9.66%
UVXY
12/1/2012 - 12/15/2012
9.4%
ZSL
12/1/2012 - 12/15/2012
8.69%
ARGT
12/1/2012 - 12/15/2012
7.96%
SCO
12/1/2012 - 12/15/2012
7.73%
UBR
12/1/2012 - 12/15/2012
7.69%
GREK
12/1/2012 - 12/15/2012
7.61%
NFTY
12/1/2012 - 12/15/2012
7.58%
SQQQ
12/1/2012 - 12/15/2012
7.25%
CHIX
12/1/2012 - 12/15/2012
7.19%
ICLN
12/1/2012 - 12/15/2012
6.77%
SLX
12/1/2012 - 12/15/2012
6.57%
TECS
12/1/2012 - 12/15/2012
6.54%
CHII
12/1/2012 - 12/15/2012
6.51%
EET
12/1/2012 - 12/15/2012
6.37%
FXI
12/1/2012 - 12/15/2012
6.32%
REW
12/1/2012 - 12/15/2012
5.81%
EPOL
12/1/2012 - 12/15/2012
5.41%
VIXY
12/1/2012 - 12/15/2012
5.39%
PBW
12/1/2012 - 12/15/2012
5.21%
PICK
12/1/2012 - 12/15/2012
5.19%
ECNS
12/1/2012 - 12/15/2012
5.16%