Armstrong World Industries traded at $198.43 this Friday September 5th, increasing $1.26 or 0.64 percent since the previous trading session. Looking back, over the last four weeks, Armstrong World Industries gained 3.96 percent. Over the last 12 months, its price rose by 63.72 percent. Looking ahead, we forecast Armstrong World Industries to be priced at 196.78 by the end of this quarter and at 191.92 in one year, according to Trading Economics global macro models projections and analysts expectations.