Wall Street traders slam brakes on gains
Commodities mostly higher
Dow reaches highest close since December 2007
Bernanke defends Fed’s moves to stimulate U.S. economy
Signs of a slowdown could become a greater concern for the Canadian economy
Traders worried about direction of the global economy
Recession deepens in Europe; lower activity in Japan and China
Commodity prices decline
FedEx cuts economic forecast
Analysts not convinced the strong results will continue next year