Friday’s biggest gaining and declining stocks By: MarketWatch November 16, 2012 at 08:24 AM EST Foot Locker, OSI Systems, Dynavax and SINA Corp all are among the most active stocks on Friday morning. Read More >> Related Stocks: E Trade Financial Footlocker Inc Ford Motor Gap Las Vegas Sands Lorillard O S I Systems Inc Penn Entertainment Inc Salesforce Sina Corp Tesoro Petroleum Co