USG Corp. reported that Settsu Corp. of...

USG Corp. reported that Settsu Corp. of Japan disclosed it has acquired a 9.6% stake in the Chicago-based building materials company as a “friendly long-term investment.” Settsu, a giant paperboard producer based near Osaka, said separately that it had bought 4,993,100 USG shares as part of a strategy to invest in U.S. industrial leaders.