On the positive side, Wharton professor Jeremy Siegel called the decision the "best news" the Fed has offered in years. He said the Fed "moved too fast" with its 50-point cut. This is unusual, since investors will typically snap up these assets after a rate cut. Related storiesSome on Wall Street noted that the Fed's decision to cut beyond 25 basis points was essentially a signal that the central bank is moving past inflation. To Contopoulos point, this may be premature, as August's consumer price index report still stood above the 2% inflation target.

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Persons: —, Wharton, Jeremy Siegel, Michael Contopoulos, Bernstein, Contopoulos, Powell, Narayana Kocherlakota Organizations: Service, Business, Bernstein Advisors, CNBC, Wall, University of Rochester