 Shares of construction companies surged in premarket trading Tuesday, after Bloomberg reported that the Trump administration is preparing a nearly 1 trillion infrastructure plan. U.S. Concrete Inc.s stock led group by soaring 18 in premarket trading. Among other more-active stocks in the early going, Mexico-based Cemex S.A.B. de C.V. ran up 12, Fluor Corp. shot up 11, Vulcan Materials Co. surged 8.3 and Martin Marietta Materials Inc. climbed 10. The gains comes as the broader stock market is set to rally at the open, as SP; 500 futures hiked up 1.6. The Bloomberg report, which cited people familiar with the matter, said the spending plan would mostly be for traditional infrastructure projects, such as roads and bridges, but will also include build outs of 5G wireless infrastructure and rural broadband. 