Deutsche Bank AG and ING Groep NV dropped at least 8% after Citigroup Inc.'s plan to buy troubled investment-fund assets fueled speculation of more bank writedowns. Copper declined for a third day and oil slid toward US$50 a barrel, sending commodity producers lower. Treasuries rose, pushing two- year note yields to a record low as investors sought the safety of government bonds.
The MSCI World lost 1.9% to 806.46, the lowest since April 2003, at 12:31 p.m. in London. The MSCI Emerging Markets Index tumbled 4.5%, with Russia's Micex Index sliding as much as 9% before trading was interrupted for an hour.