qqq historical monthly monthly returns for 2011

QQQ had its best month in 2011 in October 2011, returning 11.4%.

ASSETMONTH% RETURN
QQQ
January 2011
1.87%
QQQ
February 2011
2.39%
QQQ
March 2011
-0.88%
QQQ
April 2011
2.36%
QQQ
May 2011
-1.37%
QQQ
June 2011
-1.79%
QQQ
July 2011
1.61%
QQQ
August 2011
-6.2%
QQQ
September 2011
-4.73%
QQQ
October 2011
11.4%
QQQ
November 2011
-0.23%
QQQ
December 2011
-0.68%