Standard & Poor's 500 Index futures gained 2.1 percent. S&P rebounded yesterday from its worst week in 75 years with an 11.6 percent advance, its steepest since 1939. Europe's Dow Jones Stoxx 600 Index rose 9.9 percent, a record gain.

The Bush administration will invest about $125 billion in nine banks including Citigroup Inc., Goldman Sachs Group Inc. and Morgan Stanley, said the people. France, Germany, Spain, the Netherlands and Austria have committed $1.8 trillion to guarantee bank loans and take stakes in lenders.

Governments across the globe stepped up measures to support banks after global stock markets lost $7 trillion of their value last week, driving the MSCI World Index down 20 percent, on concern frozen credit markets will trigger an economic collapse.