MALVERN, Pa.--(BUSINESS WIRE)--Vishay Precision Group, Inc. (NYSE: VPG), a leading producer of precision sensors and systems, today announced its results for its fiscal 2015 first quarter ended March 28, 2015. Ziv Shoshani, VPG’s chief executive officer said, “Revenues this quarter included a $4.4 million negative foreign exchange rate impact versus last year’s first quarter, due to the strengthening of the U.S. dollar. Consolidated gross margin improved year-over-year, and our book-to-bill and