Nasdaq-100 ETF Trades On Rebalance, Google News

The $24.4 billion PowerShares QQQ (NasdaqGM: QQQ) could see trading volume spike Tuesday on a special rebalancing of its tracking index and news on top holding Google. PowerShares QQQ, an exchange traded fund (ETF) that follows the Nasdaq-100 Index, was down fractionally in premarket action Tuesday...