Armstrong World Industries (AWI -2.6%) opens lower as Q2 earnings jump 41% on improved sales and...

|About: Armstrong World Industries,... (AWI)|By:, SA News Editor

Armstrong World Industries (AWI -2.6%) opens lower as Q2 earnings jump 41% on improved sales and margins, but most of the gains came on cost cutting rather than increased order volume. The flooring and building products maker ups the low end of its FY11 sales forecast.