A123 Systems (AONE) is soaring 16.1%. With no major company news, the surge could be due to Fisker Automotive's disclosure that its hybrid electric-gasoline luxury Karma sedans generated revenue of over $100M in the first four months of the year. A123 supplies the battery packs for the Karma vehicles.
From other sites
ETF Screener: Search and filter by asset class, strategy, theme, performance, yield, and much more
ETF Performance: View ETF performance across key asset classes and investing themes
ETF Investing Guide: Learn how to build and manage a well-diversified, low cost ETF portfolio
ETF Selector: An explanation of how to select and use ETFs