The S&P 500 fell less than 0.1 percent to 2,059.71 at 4 p.m. in New York after yesterday sliding the most in seven weeks. The Dow Jones Industrial Average dropped 52.05 points, or 0.3 percent, to 17,800.43. The Nasdaq 100 Index added 0.4 percent and the Russell 2000 Index of small companies rallied 1.8 percent, the most since October.

Global equities fell after China said certain lower-rated bonds can no longer be used as collateral for some short-term loans, sparking a selloff in riskier debt that spread to government notes and stocks. Stocks in China tumbled the most since 2009 and the MSCI All-Country World Index dropped 0.8 percent.

The Stoxx Europe 600 Index lost 2.2 percent as Tesco Plc slumped, energy companies extended losses and U.K. manufacturing output unexpectedly fell for the first time in five months. Meanwhile, Greeces move to bring forward the process for choosing a new head of state risks triggering parliamentary elections that could put in power a party that opposes the terms of the nations bailout by the European Union.

Source : Bloomberg