Ending with a thud
Major gauges retreat in last trading session of 2005, at end of down week; Dow 30 down for the year.
December 30, 2005: 11:57 AM EST
NEW YORK (CNNMoney.com) - Stocks slumped near midday Friday, at the end of a tumultuous 2005, with the Dow in danger of closing out the year in negative territory for the first time in three years.