覆盖面更广的标准普尔 500指数下跌8点 至1410点，下跌幅度为0.6%。覆盖科技型企业股票的纳斯达克股指下跌10点至2976点，下跌幅度为0.3%。
本周四，美国股票指数曾经出现 骤然下降。但之后，由于政府发布消息称 国会将在周日重新开始与总统就解决财政悬崖问题进行协商，股市才开始有所反弹。
Stocks continued to weaken Friday as congressional leaders and President Obama resumed talks over resolving the so-called fiscal cliff before Monday.
The Dow Jones industrial average lost 71 points, or 0.5%, to 13,026 shortly after the opening bell on Wall Street.
The broader Standard & Poor's 500 index was down 8 points, or 0.6%, to 1,410. The technology-heavy Nasdaq lost 10 points, or 0.3%, to 2,976.
U.S. stock indexes fell sharply Thursday before recovering late in the trading session on word the House would return to session on Sunday.
Economists have warned that the automatic spending cuts and tax increases set to kick in at the first of the year could push the fragile U.S. economy back into recession.
On Friday, investors also digested economic data. The Institute for Supply Management's Chicago Business Barometer index rose more than expected to a seasonally adjusted 51.6 in December, from 50.4 in November.