worst day for qqq loss

QQQ had its worst day since January 6, 2000 on October 17, 2001, returning -9.5%.

ASSET DATE % RETURN
QQQ
10/17/2001
-9.53%
QQQ
1/2/2001
-8.75%
QQQ
10/15/2008
-7.91%
QQQ
11/8/2000
-7.82%
QQQ
5/23/2000
-7.68%
QQQ
1/5/2001
-7.65%
QQQ
4/14/2000
-7.33%
QQQ
3/20/2001
-7.11%
QQQ
10/7/2008
-7.09%
QQQ
4/10/2000
-7.08%
QQQ
1/6/2000
-7.05%
QQQ
10/14/2008
-6.9%
QQQ
4/3/2001
-6.83%
QQQ
12/19/2000
-6.82%
QQQ
3/15/2001
-6.75%
QQQ
12/13/2000
-6.4%
QQQ
1/24/2000
-6.35%
QQQ
3/20/2020
-6.07%
QQQ
9/29/2008
-6.06%
QQQ
10/17/2000
-5.86%
QQQ
7/28/2000
-5.83%
QQQ
4/12/2000
-5.76%
QQQ
12/1/2008
-5.51%
QQQ
10/29/2001
-5.44%
QQQ
11/19/2008
-5.42%