Patrick Kenny a Specialist of Lehman Brothers works his post on the trading floor of the New York Stock Exchange in the morning after Lehman Brothers filed for bankruptcy Monday, September 15, 2008. A stunning reshaping of the Wall Street landscape sent stocks down sharply Monday, but the pullback appeared relatively orderly — perhaps because investors were unsurprised by the demise of Lehman Brothers Holdings Inc. and relieved by a takeover of Merrill Lynch & Co. [Agencies]