NASDAQ Says AMAT Issue Relates To Top Of PHLX Orders (TOPO) Data Feed, NASDAQ PHLX Advises Firms To Ignore AMAT On TOPO For Remainder Of Day By: Benzinga via Benzinga January 26, 2015 at 10:52 AM EST http://www.phlx.com/Trader.aspx?id=MarketSystemStatus Read More >> Related Stocks: Applied Materials