U.S. factory output slumped 0.5% in September, as a strike at General Motors caused a steep decline in auto production amid broader struggles for manufacturers.
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The Federal Reserve said Tuesday that manufacturing production has fallen 0.9% over the past 12 months, a reflection of the disruptions and uncertainties caused by the U.S.-China trade war.
The G.M. strike led to a 4.2% decline last month in the making of autos. Excluding autos, factory output slipped a more modest 0.1% in September.
Total industrial production, which includes mining and utilities as well as manufacturing, slipped 0.4% in September.
Mining output fell 1.3% last month because of less crude oil being extracted and fewer wells being drilled. Production at utilities improved 1.4% as warm weather boosted demand for electricity.