U.S. stocks fell, sending the Standard & Poor’s 500 Index toward its first weekly drop since September, as concern about European financing offset an unexpected decrease in the American unemployment rate.

Global stocks slumped as the Group of 20 nations failed to agree on increasing the resources of the International Monetary Fund, dashing the hopes of European governments keen to tap more foreign aid. In the U.S., the unemployment rate fell to a six- month low of 9 percent from 9.1 percent, even as the labor force expanded. The 80,000 increase in payrolls followed gains in the prior two months that were revised up by 102,000.

Dow 11,886.60 -157.87 -1.31%, Nasdaq 2,670.43 -27.54 -1.02%, S&P 500 1,244.37 -16.78 -1.33%

All 10 groups in the S&P 500 retreated as financial and industrial companies had the biggest declines. A measure of financial stocks had the biggest decline in the S&P 500 among 10 industries, falling 2.1 percent, as European lenders sank. Bank of America dropped 4.1 percent to $6.63. JPMorgan Chase & Co. declined 2.5 percent to $33.53.

AIG tumbled 4.9 percent to $23.42. The quarterly loss casts doubt on the insurer’s ability to benefit from more than $25 billion in assets that can be used to lower future tax bills. The company posted a $4.11 billion third-quarter loss that wiped out profit from the first six months of the year.

LinkedIn Corp. tumbled 9.1 percent to $79.52 as spending on research and development drove the professional-networking website to a loss. The company, which first sold shares to the public in May, is increasing spending on research, sales and marketing, and office expansions to boost the company’s global presence and attract more recent college graduates to the site.

Starbucks Corp. rallied 7 percent to $44.30. The world’s largest coffee-shop operator, said fourth-quarter profit rose 29 percent as U.S. sales increased. Chief Executive Officer Howard Schultz has sought to boost sales by selling Via instant coffee that customers can brew at home.