Profits for U.S. manufacturers swung into reverse to start 2014, despite increasing revenue. Manufacturing sales rose 1.6%, or by $25.34 billion, in the first quarter compared with the same period a year earlier, the Commerce Department said in a new report. But after-tax profits during the quarter took a hit, falling 7.4%, or by $11.07 billion, year-over-year.

Here are five reasons why:

Read more at the Wall St. Journal

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