Stocks sink after Republicans cancel budget vote - Article Photos 4/9

Traders on the floor of the New York Stock Exchange observe a minute of silence before the opening bell in honor of Sandy Hook Elementary School victims and their families, Friday, Dec. 21, 2012. Stocks opened sharply lower Friday on Wall Street after House Republicans called off a vote on tax rates and left federal budget talks in disarray 10 days before sweeping tax increases and government spending cuts take effect. (AP Photo/Richard Drew)