Barchart Sponsors Links: Quote | Chart | Opinion | Profile | Select: Market OverviewNewsletterMarket MomentumMarket Indices- Industrials- Nasdaq 100- S&P 100- S&P 400- S&P 500- S&P 600- Utilities- Transportations- CompositeExchange FundsETF InternationalETF Large BlendETF Large GrowthETF Large ValueETF Midcap BlendETF Midcap GrowthETF Midcap ValueETF Small BlendETF Small GrowthETF Small ValueVolume LeadersPrice AdvancesPercent AdvancesPrice DeclinesPercent DeclinesPrice VolumeVolume Advances52 Week Highs52 Week Lows--------------------Futures by GroupingFutures by Exchange--------------------FOREX--------------------Email QuotesCustom Quotes--------------------Symbol LookupFeedbackLearning CenterSupport   QID - Ultrashort QQQ Proshares (AMEX)    Date Open High Low Last Change Volume % Change 02/09/10 21.09 21.48 20.74 21.14 -0.44 34013020 -2.04 % Enter Symbol:     Quote Chart Opinion Profile Data provided by ddfplus and subject to terms of use. Copyright © 1995 - 2010 Barchart.com Inc. User agreement applies. All Equities data is delayed according to exchange rules. Futures data is end of day. NYSE, AMEX and Nasdaq at least 15 minutes.