After-hours top gainers, as of 5:15 p.m.: SIGA +23%. FXEN +7%. LPSN +5%. QSII +4%. STRZA +3%.
After-hours top losers: XNPT -7%. DF -6%. ASTX -4%. SPWR -3%. FNSR -2%.
From other sites
at CNBC.com (Jun 17, 2011)
at CNBC.com (Jun 13, 2011)
at CNBC.com (Apr 1, 2011)
at CNBC.com (Mar 31, 2011)
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