Yuri Kochetkov / EPA

Traders from the Trading Invest company react while watching a downward trend on their screen in Moscow, Russia, on August 9. The US debt downgrade caused a lowering of the Russian currency exchange rate.

Rungroj Yongrit / EPA

Share prices are reflected on a window as a Thai investor monitors stocks at a private trading floor in Bangkok, Thailand, on August 9.

Fredrik Von Erichsen / AFP - Getty Images

A broker works at the stock exchange in Frankfurt am Main, Germany, on August 9. German stocks plunged on fears that slowing growth and the eurozone debt crisis will cause another recession.

The AP reports:

Stocks tanked again Tuesday as many global markets entered official bear market territory after one of the worst days on Wall Street since the collapse of Lehman Brothers in 2008.

Asian markets briefly recouped many earlier losses and European stocks opened higher. That rally proved short-lived, as investors worried about the consequences of the U.S. credit downgrade, Europe's debt crisis and mounting expectations of a global recession. Continue reading.