U.S. stocks head for fourth straight session of losses in final hour of trading

Dow industrials were off 317 points or 1% in Monday's final hour of trading, as recession fears kept the pressure on stocks. The S&P 500 was down 1.3% and the Nasdaq Composite was lower by 1.8%. All three major indexes were heading for their fourth straight session of losses, extending last week's declines.

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