U.S. low-price shops pursue real-estate expansion: WSJ

NEW YORK, Sept. 18 (Xinhua) -- U.S. dollar stores, where prices are very low and buying cost-effective, are contending with slowing sales and weaker earnings, but this is not stopping them from pursuing an aggressive real-estate expansion, The Wall Street Journal (WSJ) reported earlier this week.

"Dollar General and Dollar Tree, the nation's largest dollar-store chains, are together on track to open more than 1,