In a step toward meeting one of President Trump’s most prominent campaign pledges, the Dept. of Homeland Security is seeking firms to provide prototypes of a U.S.-Mexico border barrier.

Shares of Australia-based WorleyParsons rose 32% on Feb. 28, following the firm’s disclosure the day before that, last November, Dubai-based engineer conglomerate Dar Group had made an estimated $2.2- billion bid, which it rejected as undervalued.

The process of drafting a new proposal, taking public comments and issuing a final version is expected to be lengthy.

Two executives of contracting firm and a former union official sentenced.