Another sign of a bubble: QQQQ Becomes QQQ Again(seekingalpha.com)
seekingalpha.com
Another sign of a bubble: QQQQ Becomes QQQ Again
http://seekingalpha.com/article/259621-get-ready-for-etf-changes-qqqq-becomes-qqq-again
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http://seekingalpha.com/article/259621-get-ready-for-etf-changes-qqqq-becomes-qqq-again
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