W.W. Grainger Inc.'s (GWW) daily sales jumped 14% from a year earlier in April, as higher volume and prices helped the company continue its growth streak.

The supplier of industrial goods ranging from lighting to janitorial products has seen its results improve of late as global economic activity continues to rebound. Last month it reported its first-quarter earnings rose 59% on higher sales and margins. The company may be considered a bellwether of the U.S. economy because of the breadth of its offering

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