Dragged down by plunging gasoline prices and an auto industry struggling for survival, retail sales fell by 1.8% in November for a record fifth straight month, according to the U.S. Commerce Department.

Circuit City Stores Inc. (CC) has filed for Chapter 11 bankruptcy, a week after the struggling electronics retailer announced it would close 155 of its 566 U.S. stores by Dec. 31 and slash its workforce by 17%.

While 2008 has not been the banner year for mergers and acquisitions (M&A) that 2007 was, several blue-chip operations including Microsoft Corp. (MSFT), Time Warner Inc. (TWX) and JPMorgan Chase & Co. (JPM) have picked up where private-equity firms left off last fall.