Martin Marietta board hikes dividend by 12%

Martin Marietta Materials Inc.
MLM,
+1.31%
said Thursday its board approved a 12% hike to its dividend. The building-materials supplier said the board raised the quarterly dividend to 74 cents a share from 66 cents a share. The increased dividend is payable Sept. 29 to shareholders of record Sept. 1. Martin Marietta shares were last up 1.4% in Thursday trading.