"The National Best Bid and Offer (NBBO) is a term applying to the SEC requirement that brokers must guarantee customers the best available ask price when they buy securities and the best available bid price when they sell securities".
- Red Dots are the best Ask
- Green Dots are the best Bid
- White dots are trades
- Warm colored lines are exchange Asks
- Cool colored lines are exchange Bids
PowerShare Buyback Achievers Fund
iRobot Corporation
SanDisk Corporation
