Featured Nasdaq ETF Falls 5%; Top Stock Apple Tests 200-Day Tom Lydon August 8, 2011 The stock represents 14.3% of the Nasdaq-100 ETF. PowerShares QQQ Apple AAPL chart source: StockCharts.com. Full disclosure: Tom Lydon’s clients own AAPL. « Previous Page RELATED TOPICSNASDAQQQQ Earn free CE credits and discover new strategies