Early reluctance is giving way as hundreds prepare to apply before the deadline.
A sharp drop in demand is driving the industry to pursue a bailout.
The Treasury may back risky mortgages and include other industries in its financial rescue effort.
On Tuesday, the US was the latest nation to follow Gordon Brown's blueprint for rescuing banks.
The next president will decide whether the shift away from laissez faire is permanent.
A bond sale this week will test whether private capital can meet California's shortfall.
World markets responded positively Monday to new initiatives emerging from meetings in Washington and Paris.
Nobel laureate Paul Samuelson blames crisis partly on 'fiendish' financial engineering on Wall Street.