German industrial production rose the most in January since September 2009, surpassing every estimate in a Bloomberg survey of economists as it rebounded from two months of decline. The gauge rose 3.3 percent on the month when adjusted for seasonal swings, the Economy Ministry in Berlin said Tuesday. While the report shows that 2016 is off to a good start, reason for caution persists: a slowdown in emerging-market economies that’s weighing on exports could make it difficult to sustain this robust pace of growth.

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