PowerShares QQQ (QQQQ) - the eighth largest U.S.-listed ETF by market cap, with more than $17B...

|About: PowerShares QQQ Trust ETF (QQQ)|By:, SA News Editor

PowerShares QQQ (QQQQ) - the eighth largest U.S.-listed ETF by market cap, with more than $17B in assets - has almost a fifth of its portfolio weighting in Apple (AAPL), which reports earnings following the closing bell. If AAPL has a big reaction to its report, expect the QQQQ to follow suit.