But the companies also enjoy the rise in their stock price on information that comes from analysts based on company data.

"You need to get going this early," said Charles Cook, a political analyst based in Washington.

And I don't think the proposal of compensating an analyst based on his or her overall performance, including helping the bankers, is unreasonable.

"This is a new closet opening up and new skeletons coming out," said Jeffrey Kagan, an independent analyst based in Atlanta.

But the bull market has stretched definitions of value among analysts based far from Wall Street.

"You can do by brute force what before only incredible brain power could accomplish," Philip Fersht, an analyst based in London, said.

Among the more optimistic experts is Conrad Leslie, a private analyst based in Chicago.

Those summaries had been mere guesses made by analysts based on poor, fragmentary information.

"It's just a first success for the opposition," said Michael Young, an analyst and journalist based in Beirut.

David Shields, an analyst based in Mexico City, said: "Pemex does remain a symbol.