what is the best returning index fund from mar 21 2018 to mar 30 2018

UVXY had the highest return between March 21, 2018 and March 30, 2018 by a major index or ETF, returning 18%.

ASSET DATE % RETURN
UVXY
3/21/2018 - 3/30/2018
18.03%
SOXS
3/21/2018 - 3/30/2018
13.13%
VIXY
3/21/2018 - 3/30/2018
12.69%
LABD
3/21/2018 - 3/30/2018
12.53%
SQQQ
3/21/2018 - 3/30/2018
11.16%
FAZ
3/21/2018 - 3/30/2018
9.37%
TECS
3/21/2018 - 3/30/2018
9.05%
RXD
3/21/2018 - 3/30/2018
8.87%
TMF
3/21/2018 - 3/30/2018
8.44%
SSG
3/21/2018 - 3/30/2018
8.14%
QID
3/21/2018 - 3/30/2018
7.69%
MZZ
3/21/2018 - 3/30/2018
7.49%
SRTY
3/21/2018 - 3/30/2018
7.32%
SPXU
3/21/2018 - 3/30/2018
7.3%
SPXS
3/21/2018 - 3/30/2018
7.28%
TZA
3/21/2018 - 3/30/2018
7.14%
SIJ
3/21/2018 - 3/30/2018
7.12%
REW
3/21/2018 - 3/30/2018
7.11%
YANG
3/21/2018 - 3/30/2018
6.8%
NUGT
3/21/2018 - 3/30/2018
6.78%
GUSH
3/21/2018 - 3/30/2018
6.67%
BIS
3/21/2018 - 3/30/2018
6.45%
SMN
3/21/2018 - 3/30/2018
6.41%
VIXM
3/21/2018 - 3/30/2018
6.01%
SDOW
3/21/2018 - 3/30/2018
5.96%