US: Eagle Materials' sales revenue from gypsum wallboard has fallen slightly by 1.6% year-on-year to US$113m in the first quarter of its 2017 financial year that ended on 30 June 2016 from US$115m in the same period in 2015. Overall company revenue rose by 1.5% to US$298m from US$285m. Gypsum wallboard sales volumes rose by 2% to 54Mm2 from 53Mm2.