Asian markets fell sharply Friday while the yen rose to a two-year high against the euro on fears the $700 billion financial rescue bill still needing final U.S. government approval may not be enough to keep the global economy from falling into recession.

The flow of credit remained practically frozen in money markets, leading to a scramble for U.S. dollar funding that has the currency on track for its largest weekly gain in 16 years against a basket of major currencies.