MARKETWATCH FRONT PAGE U.S. stocks tumble for a fourth day this week, retreating after the prior session's rally, with retail sales declining a record amount in October, J.C. Penney Co. offering an outlook miss and Nokia Inc. warning of falling handset sales. See full story. Economic Report: Retail sales plunge record 2.8% in October Falling for a fourth straight month, U.S. retail sales plunge a record 2.8% in October as sales of autos and gasoline plummet. See full story. The Fed: Bernanke, in Europe, says central banks remain on point Central banks around the world stand ready to take additional actions as needed to restore financial market stability and ease the global credit crunch, Federal Reserve Board Chairman Ben Bernanke tells a European audience. See full story. It's official but not unexpected: Euro zone's in recession A global economic slowdown, financial turmoil and home-grown problems combine to push the 15-nation euro zone into recession, data show. See full story. Nokia warns mobile-device industry sales will fall in 2009 Nokia, the world’s top maker of mobile phones, warns industry sales of wireless handsets will fall next year as consumers pull back in the face of the economic slump and limited credit availability. See full story. MARKETWATCH COMMENTARY Stocks over the past dozen years are behind T-bills It was almost exactly a dozen years ago that Yale University finance professor Robert Shiller bent Alan Greenspan’s ear, prompting the Fed chairman to give his famous “irrational exuberance” speech. See full story. MARKETWATCH PERSONAL FINANCE With economy unraveling, secondhand stores are suddenly chic Christina Park keeps this a big secret from her husband but is not ashamed to tell all her friends: She shops at a secondhand store for clothing every day.

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