Movers: WaMu, Thornburg, Ambac, National Semi, Ciena, Citigroup

Stocks making headlines on Friday

Washington Mutual (WM) falls after the Wall Street Journal reports that with federal regulators prodding banks to raise more capital, WaMu and other battered lenders have approached private-equity firms and sovereign-wealth funds about possible cash infusions, according to people familiar with the situation. S&P maintains hold.

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