Martin Marietta Materials Inc.'s appeal of a lower court ruling that halted its $5 billion offer for Vulcan Materials Co. has been postponed until May 31, according to Reuters.More>>

The board of directors of Lafarge North America Inc. has appointed John Stull as Lafarge's senior leader for all aggregate, cement and concrete operations in the United States.More>>

Martin Marietta Materials has won an expedited appeal of the May 4 ruling that barred it from pursuing its offer for Vulcan Materials for four months. More>>

Vulcan Materials Co. says a court has denied Martin Marietta Materials' motion for a stay on an order barring it from pursuing a $5.3-billion hostile takeover of Vulcan Materials for the next four months.More>>

Judge Leo E. Strine Jr. decided to block the Martin Marietta Materials' hostile takeover bid for a period of four months.More>>

Lafarge North America has come to terms with government agencies and jurisdictions to turn over land leases in an effort to preserve the land in and around the Rocky Flats National Wildlife Refuge.More>>

Vulcan Materials Co. has filed definitive proxy materials with the Securities and Exchange Commission.More>>

The California aggregates producer is inviting area high school students to a quarry next month.More>>

A letter and voting instruction form are being sent to Vulcan Materials shareholders to encourage the election of independent nominees to the Vulcan Materials board.More>>

Vulcan Materials Co., the nation's largest producer of construction aggregates, today announced what it calls significantly improved results for the first quarter ended March 31.More>>