Read more Ken Griffin stories on Newserhttp://www.newser.com/taggrid/1185/ken-griffin.htmlhttp://img1-cdn.newser.com/images/newser-black250x40.gifhttp://www.newser.com/2012 - Newseren-usNewser Feed GeneratorMon, 21 May 2012 08:37:46 CDThttp://www.newser.com/story/40102/why-midafternoon-brings-out-the-bears.htmlJim O'Neill<img src='http://img2-cdn.newser.com/getimage.aspx?mediaid=144889&width=45&height=45&crop=Y&updateddate=20110401002226' border='0' />An increasingly familiar Wall Street phenomenon—a three-digit swing in the Dow, usually down, in the final hour of trading—is a direct result of population growth in one species: bears. Margin calls are forcing panicked sell-offs, it's true, but the situation is more complicated than that, experts tell the...The financial system is battling one of the worst bear markets since WWII.http://www.newser.com/story/40102/why-midafternoon-brings-out-the-bears.htmlThu, 16 Oct 2008 12:50:28 CDThttp://www.newser.com/story/1446/inside-the-citadel-hedge-fund-giant-mulls-ipo.htmlCaroline Miller<img src='http://img1-cdn.newser.com/getimage.aspx?mediaid=2568&width=45&height=45&crop=Y&updateddate=20110401035441' border='0' />Portfolio magazine debuts with a look inside Citadel Investment Group, the $13.5 billion Chicago hedge fund that's even more press-shy than most of its brethren. A rare chat with founder Ken Griffin reveals that he's thinking of taking Citadel public —which the magazine notes could be the biggest stand-alone... Ken Griffin of Citadelhttp://www.newser.com/story/1446/inside-the-citadel-hedge-fund-giant-mulls-ipo.htmlMon, 16 Apr 2007 10:39:27 CDT