wrote last week.

White House chief economic adviser Gene Sperling added that S&P's actions "smacked of an institution starting with a conclusion and shaping any arguments to fit it."

"The magnitude of their error combined with their willingness to simply change on the spot their lead rationale in their press release once the error was pointed out was breathtaking," he said.

Beers told Wallace that he did not expect "that much impact" from the downgrade when the global markets open on Monday.